81785781

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 112

約数和(自身を含む): 161169408

約数和(自身を除く): 79383627

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 47, 63, 77, 81, 93, 99, 141, 189, 217, 231, 243, 279, 297, 329, 341, 423, 517, 567, 651, 693, 729, 837, 891, 987, 1023, 1269, 1457, 1551, 1701, 1953, 2079, 2387, 2511, 2673, 2961, 3069, 3619, 3807, 4371, 4653, 5103, 5859, 6237, 7161, 7533, 8019, 8883, 9207, 10199, 10857, 11421, 13113, 13959, 16027, 17577, 18711, 21483, 22599, 26649, 27621, 30597, 32571, 34263, 39339, 41877, 48081, 52731, 56133, 64449, 79947, 82863, 91791, 97713, 112189, 118017, 125631, 144243, 158193, 193347, 239841, 248589, 275373, 293139, 336567, 354051, 376893, 432729, 580041, 826119, 879417, 1009701, 1062153, 1298187, 1740123, 2478357, 2638251, 3029103, 3894561, 7435071, 9087309, 11683683, 27261927, 81785781]

約数ペア:

[(1, 81785781), (3, 27261927), (7, 11683683), (9, 9087309), (11, 7435071), (21, 3894561), (27, 3029103), (31, 2638251), (33, 2478357), (47, 1740123), (63, 1298187), (77, 1062153), (81, 1009701), (93, 879417), (99, 826119), (141, 580041), (189, 432729), (217, 376893), (231, 354051), (243, 336567), (279, 293139), (297, 275373), (329, 248589), (341, 239841), (423, 193347), (517, 158193), (567, 144243), (651, 125631), (693, 118017), (729, 112189), (837, 97713), (891, 91791), (987, 82863), (1023, 79947), (1269, 64449), (1457, 56133), (1551, 52731), (1701, 48081), (1953, 41877), (2079, 39339), (2387, 34263), (2511, 32571), (2673, 30597), (2961, 27621), (3069, 26649), (3619, 22599), (3807, 21483), (4371, 18711), (4653, 17577), (5103, 16027), (5859, 13959), (6237, 13113), (7161, 11421), (7533, 10857), (8019, 10199), (8883, 9207)]