205921665

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{75017}}^1$

素因数の和:75089

約数の個数: 24

約数和(自身を含む): 362787048

約数和(自身を除く): 156865383

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 75017, 225051, 375085, 675153, 1125255, 3375765, 4576037, 13728111, 22880185, 41184333, 68640555, 205921665]

約数ペア:

[(1, 205921665), (3, 68640555), (5, 41184333), (9, 22880185), (15, 13728111), (45, 4576037), (61, 3375765), (183, 1125255), (305, 675153), (549, 375085), (915, 225051), (2745, 75017)]