208538621187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{144517409}}^1$

素因数の和:144517462

約数の個数: 16

約数和(自身を含む): 307533048480

約数和(自身を除く): 98994427293

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 144517409, 433552227, 1878726317, 5347144133, 5636178951, 16041432399, 69512873729, 208538621187]

約数ペア:

[(1, 208538621187), (3, 69512873729), (13, 16041432399), (37, 5636178951), (39, 5347144133), (111, 1878726317), (481, 433552227), (1443, 144517409)]