639563721

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1\times {\mathrm{2153}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 864150336

約数和(自身を除く): 224586615

約数列:

[1, 3, 83, 249, 1193, 2153, 3579, 6459, 99019, 178699, 297057, 536097, 2568529, 7705587, 213187907, 639563721]

約数ペア:

[(1, 639563721), (3, 213187907), (83, 7705587), (249, 2568529), (1193, 536097), (2153, 297057), (3579, 178699), (6459, 99019)]