74891817

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 158699520

約数和(自身を除く): 83807703

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 27, 33, 39, 51, 63, 77, 91, 99, 117, 119, 143, 153, 163, 187, 189, 221, 231, 273, 297, 351, 357, 429, 459, 489, 561, 663, 693, 819, 1001, 1071, 1141, 1287, 1309, 1467, 1547, 1683, 1793, 1989, 2079, 2119, 2431, 2457, 2771, 3003, 3213, 3423, 3861, 3927, 4401, 4641, 5049, 5379, 5967, 6357, 7293, 8313, 9009, 10269, 11781, 12551, 13923, 14833, 16137, 17017, 19071, 19397, 21879, 23309, 24939, 27027, 30481, 30807, 35343, 36023, 37653, 41769, 44499, 48411, 51051, 57213, 58191, 65637, 69927, 74817, 91443, 108069, 112959, 133497, 153153, 163163, 174573, 209781, 213367, 252161, 274329, 324207, 338877, 396253, 400491, 459459, 489489, 523719, 629343, 640101, 756483, 822987, 972621, 1188759, 1468467, 1920303, 2269449, 2773771, 3566277, 4405401, 5760909, 6808347, 8321313, 10698831, 24963939, 74891817]

約数ペア:

[(1, 74891817), (3, 24963939), (7, 10698831), (9, 8321313), (11, 6808347), (13, 5760909), (17, 4405401), (21, 3566277), (27, 2773771), (33, 2269449), (39, 1920303), (51, 1468467), (63, 1188759), (77, 972621), (91, 822987), (99, 756483), (117, 640101), (119, 629343), (143, 523719), (153, 489489), (163, 459459), (187, 400491), (189, 396253), (221, 338877), (231, 324207), (273, 274329), (297, 252161), (351, 213367), (357, 209781), (429, 174573), (459, 163163), (489, 153153), (561, 133497), (663, 112959), (693, 108069), (819, 91443), (1001, 74817), (1071, 69927), (1141, 65637), (1287, 58191), (1309, 57213), (1467, 51051), (1547, 48411), (1683, 44499), (1793, 41769), (1989, 37653), (2079, 36023), (2119, 35343), (2431, 30807), (2457, 30481), (2771, 27027), (3003, 24939), (3213, 23309), (3423, 21879), (3861, 19397), (3927, 19071), (4401, 17017), (4641, 16137), (5049, 14833), (5379, 13923), (5967, 12551), (6357, 11781), (7293, 10269), (8313, 9009)]