67721125

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{11527}}^1$

素因数の和:11589

約数の個数: 16

約数和(自身を含む): 86321664

約数和(自身を除く): 18600539

約数列:

[1, 5, 25, 47, 125, 235, 1175, 5875, 11527, 57635, 288175, 541769, 1440875, 2708845, 13544225, 67721125]

約数ペア:

[(1, 67721125), (5, 13544225), (25, 2708845), (47, 1440875), (125, 541769), (235, 288175), (1175, 57635), (5875, 11527)]