128358291

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^2\times {\mathrm{109}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 179121360

約数和(自身を除く): 50763069

約数列:

[1, 3, 37, 103, 109, 111, 309, 327, 3811, 4033, 10609, 11227, 11433, 12099, 31827, 33681, 392533, 415399, 1156381, 1177599, 1246197, 3469143, 42786097, 128358291]

約数ペア:

[(1, 128358291), (3, 42786097), (37, 3469143), (103, 1246197), (109, 1177599), (111, 1156381), (309, 415399), (327, 392533), (3811, 33681), (4033, 31827), (10609, 12099), (11227, 11433)]