2555553

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 64

約数和(自身を含む): 4902912

約数和(自身を除く): 2347359

約数列:

[1, 3, 7, 11, 13, 21, 23, 33, 37, 39, 69, 77, 91, 111, 143, 161, 231, 253, 259, 273, 299, 407, 429, 481, 483, 759, 777, 851, 897, 1001, 1221, 1443, 1771, 2093, 2553, 2849, 3003, 3289, 3367, 5291, 5313, 5957, 6279, 8547, 9361, 9867, 10101, 11063, 15873, 17871, 23023, 28083, 33189, 37037, 65527, 69069, 77441, 111111, 121693, 196581, 232323, 365079, 851851, 2555553]

約数ペア:

[(1, 2555553), (3, 851851), (7, 365079), (11, 232323), (13, 196581), (21, 121693), (23, 111111), (33, 77441), (37, 69069), (39, 65527), (69, 37037), (77, 33189), (91, 28083), (111, 23023), (143, 17871), (161, 15873), (231, 11063), (253, 10101), (259, 9867), (273, 9361), (299, 8547), (407, 6279), (429, 5957), (481, 5313), (483, 5291), (759, 3367), (777, 3289), (851, 3003), (897, 2849), (1001, 2553), (1221, 2093), (1443, 1771)]