28018305

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{9883}}^1$

素因数の和:9907

約数の個数: 40

約数和(自身を含む): 57406272

約数和(自身を除く): 29387967

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 9883, 29649, 49415, 69181, 88947, 148245, 207543, 266841, 345905, 444735, 622629, 800523, 1037715, 1334205, 1867887, 3113145, 4002615, 5603661, 9339435, 28018305]

約数ペア:

[(1, 28018305), (3, 9339435), (5, 5603661), (7, 4002615), (9, 3113145), (15, 1867887), (21, 1334205), (27, 1037715), (35, 800523), (45, 622629), (63, 444735), (81, 345905), (105, 266841), (135, 207543), (189, 148245), (315, 88947), (405, 69181), (567, 49415), (945, 29649), (2835, 9883)]