1640673867

素因数分解:

$3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{212881}}^1$

素因数の和:213258

約数の個数: 16

約数和(自身を含む): 2506898432

約数和(自身を除く): 866224565

約数列:

[1, 3, 7, 21, 367, 1101, 2569, 7707, 212881, 638643, 1490167, 4470501, 78127327, 234381981, 546891289, 1640673867]

約数ペア:

[(1, 1640673867), (3, 546891289), (7, 234381981), (21, 78127327), (367, 4470501), (1101, 1490167), (2569, 638643), (7707, 212881)]