27902915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{557}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 34471008

約数和(自身を除く): 6568093

約数列:

[1, 5, 43, 215, 233, 557, 1165, 2785, 10019, 23951, 50095, 119755, 129781, 648905, 5580583, 27902915]

約数ペア:

[(1, 27902915), (5, 5580583), (43, 648905), (215, 129781), (233, 119755), (557, 50095), (1165, 23951), (2785, 10019)]