64177989

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 87140160

約数和(自身を除く): 22962171

約数列:

[1, 3, 89, 157, 267, 471, 1531, 4593, 13973, 41919, 136259, 240367, 408777, 721101, 21392663, 64177989]

約数ペア:

[(1, 64177989), (3, 21392663), (89, 721101), (157, 408777), (267, 240367), (471, 136259), (1531, 41919), (4593, 13973)]