25969671

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 47471424

約数和(自身を除く): 21501753

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 857, 1443, 2331, 2571, 3367, 4329, 5999, 7713, 10101, 11141, 17997, 30303, 31709, 33423, 53991, 77987, 95127, 100269, 221963, 233961, 285381, 412217, 665889, 701883, 1236651, 1997667, 2885519, 3709953, 8656557, 25969671]

約数ペア:

[(1, 25969671), (3, 8656557), (7, 3709953), (9, 2885519), (13, 1997667), (21, 1236651), (37, 701883), (39, 665889), (63, 412217), (91, 285381), (111, 233961), (117, 221963), (259, 100269), (273, 95127), (333, 77987), (481, 53991), (777, 33423), (819, 31709), (857, 30303), (1443, 17997), (2331, 11141), (2571, 10101), (3367, 7713), (4329, 5999)]