720281627

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 822872064

約数和(自身を除く): 102590437

約数列:

[1, 13, 37, 47, 151, 211, 481, 611, 1739, 1963, 2743, 5587, 7097, 7807, 9917, 22607, 31861, 72631, 92261, 101491, 128921, 262589, 366929, 414193, 1178857, 1497467, 3413657, 4770077, 15325141, 19467071, 55406279, 720281627]

約数ペア:

[(1, 720281627), (13, 55406279), (37, 19467071), (47, 15325141), (151, 4770077), (211, 3413657), (481, 1497467), (611, 1178857), (1739, 414193), (1963, 366929), (2743, 262589), (5587, 128921), (7097, 101491), (7807, 92261), (9917, 72631), (22607, 31861)]