81831708

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 168

約数和(自身を含む): 259521920

約数和(自身を除く): 177690212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 211, 228, 243, 252, 266, 324, 342, 378, 399, 422, 486, 513, 532, 567, 633, 684, 729, 756, 798, 844, 972, 1026, 1134, 1197, 1266, 1458, 1477, 1539, 1596, 1701, 1899, 2052, 2268, 2394, 2532, 2916, 2954, 3078, 3402, 3591, 3798, 4009, 4431, 4617, 4788, 5103, 5697, 5908, 6156, 6804, 7182, 7596, 8018, 8862, 9234, 10206, 10773, 11394, 12027, 13293, 13851, 14364, 16036, 17091, 17724, 18468, 20412, 21546, 22788, 24054, 26586, 27702, 28063, 32319, 34182, 36081, 39879, 43092, 48108, 51273, 53172, 55404, 56126, 64638, 68364, 72162, 79758, 84189, 96957, 102546, 108243, 112252, 119637, 129276, 144324, 153819, 159516, 168378, 193914, 205092, 216486, 239274, 252567, 307638, 324729, 336756, 358911, 387828, 432972, 478548, 505134, 615276, 649458, 717822, 757701, 974187, 1010268, 1076733, 1298916, 1435644, 1515402, 1948374, 2153466, 2273103, 2922561, 3030804, 3896748, 4306932, 4546206, 5845122, 6819309, 9092412, 11690244, 13638618, 20457927, 27277236, 40915854, 81831708]

約数ペア:

[(1, 81831708), (2, 40915854), (3, 27277236), (4, 20457927), (6, 13638618), (7, 11690244), (9, 9092412), (12, 6819309), (14, 5845122), (18, 4546206), (19, 4306932), (21, 3896748), (27, 3030804), (28, 2922561), (36, 2273103), (38, 2153466), (42, 1948374), (54, 1515402), (57, 1435644), (63, 1298916), (76, 1076733), (81, 1010268), (84, 974187), (108, 757701), (114, 717822), (126, 649458), (133, 615276), (162, 505134), (171, 478548), (189, 432972), (211, 387828), (228, 358911), (243, 336756), (252, 324729), (266, 307638), (324, 252567), (342, 239274), (378, 216486), (399, 205092), (422, 193914), (486, 168378), (513, 159516), (532, 153819), (567, 144324), (633, 129276), (684, 119637), (729, 112252), (756, 108243), (798, 102546), (844, 96957), (972, 84189), (1026, 79758), (1134, 72162), (1197, 68364), (1266, 64638), (1458, 56126), (1477, 55404), (1539, 53172), (1596, 51273), (1701, 48108), (1899, 43092), (2052, 39879), (2268, 36081), (2394, 34182), (2532, 32319), (2916, 28063), (2954, 27702), (3078, 26586), (3402, 24054), (3591, 22788), (3798, 21546), (4009, 20412), (4431, 18468), (4617, 17724), (4788, 17091), (5103, 16036), (5697, 14364), (5908, 13851), (6156, 13293), (6804, 12027), (7182, 11394), (7596, 10773), (8018, 10206), (8862, 9234)]