639768461763

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{23563}}^1\times {\mathrm{123979}}^1$

素因数の和:147618

約数の個数: 16

約数和(自身を含む): 864753557120

約数和(自身を除く): 224985095357

約数列:

[1, 3, 73, 219, 23563, 70689, 123979, 371937, 1720099, 5160297, 9050467, 27151401, 2921317177, 8763951531, 213256153921, 639768461763]

約数ペア:

[(1, 639768461763), (3, 213256153921), (73, 8763951531), (219, 2921317177), (23563, 27151401), (70689, 9050467), (123979, 5160297), (371937, 1720099)]