281030145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{100189}}^1$

素因数の和:100225

約数の個数: 32

約数和(自身を含む): 519384960

約数和(自身を除く): 238354815

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 100189, 300567, 500945, 1102079, 1502835, 1703213, 3306237, 5109639, 5510395, 8516065, 16531185, 18735343, 25548195, 56206029, 93676715, 281030145]

約数ペア:

[(1, 281030145), (3, 93676715), (5, 56206029), (11, 25548195), (15, 18735343), (17, 16531185), (33, 8516065), (51, 5510395), (55, 5109639), (85, 3306237), (165, 1703213), (187, 1502835), (255, 1102079), (561, 500945), (935, 300567), (2805, 100189)]