28403397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{757}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 44934240

約数和(自身を除く): 16530843

約数列:

[1, 3, 9, 11, 33, 99, 379, 757, 1137, 2271, 3411, 4169, 6813, 8327, 12507, 24981, 37521, 74943, 286903, 860709, 2582127, 3155933, 9467799, 28403397]

約数ペア:

[(1, 28403397), (3, 9467799), (9, 3155933), (11, 2582127), (33, 860709), (99, 286903), (379, 74943), (757, 37521), (1137, 24981), (2271, 12507), (3411, 8327), (4169, 6813)]