2271775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{751}}^1$

素因数の和:783

約数の個数: 18

約数和(自身を含む): 3100496

約数和(自身を除く): 828721

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 751, 3025, 3755, 8261, 18775, 41305, 90871, 206525, 454355, 2271775]

約数ペア:

[(1, 2271775), (5, 454355), (11, 206525), (25, 90871), (55, 41305), (121, 18775), (275, 8261), (605, 3755), (751, 3025)]