87720963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{19403}}^1$

素因数の和:19554

約数の個数: 16

約数和(自身を含む): 128532096

約数和(自身を除く): 40811133

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 19403, 58209, 213433, 640299, 2658211, 7974633, 29240321, 87720963]

約数ペア:

[(1, 87720963), (3, 29240321), (11, 7974633), (33, 2658211), (137, 640299), (411, 213433), (1507, 58209), (4521, 19403)]