203915517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 94129923

約数列:

[1, 3, 13, 39, 131, 167, 239, 393, 501, 717, 1703, 2171, 3107, 5109, 6513, 9321, 21877, 31309, 39913, 65631, 93927, 119739, 284401, 407017, 518869, 853203, 1221051, 1556607, 5228603, 15685809, 67971839, 203915517]

約数ペア:

[(1, 203915517), (3, 67971839), (13, 15685809), (39, 5228603), (131, 1556607), (167, 1221051), (239, 853203), (393, 518869), (501, 407017), (717, 284401), (1703, 119739), (2171, 93927), (3107, 65631), (5109, 39913), (6513, 31309), (9321, 21877)]