256526415

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{27017}}^1$

素因数の和:27239

約数の個数: 24

約数和(自身を含む): 446769648

約数和(自身を除く): 190243233

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 9495, 27017, 81051, 135085, 243153, 405255, 1215765, 5700587, 17101761, 28502935, 51305283, 85508805, 256526415]

約数ペア:

[(1, 256526415), (3, 85508805), (5, 51305283), (9, 28502935), (15, 17101761), (45, 5700587), (211, 1215765), (633, 405255), (1055, 243153), (1899, 135085), (3165, 81051), (9495, 27017)]