72947553

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 113482752

約数和(自身を除く): 40535199

約数列:

[1, 3, 7, 21, 101, 163, 211, 303, 489, 633, 707, 1141, 1477, 2121, 3423, 4431, 16463, 21311, 34393, 49389, 63933, 103179, 115241, 149177, 240751, 345723, 447531, 722253, 3473693, 10421079, 24315851, 72947553]

約数ペア:

[(1, 72947553), (3, 24315851), (7, 10421079), (21, 3473693), (101, 722253), (163, 447531), (211, 345723), (303, 240751), (489, 149177), (633, 115241), (707, 103179), (1141, 63933), (1477, 49389), (2121, 34393), (3423, 21311), (4431, 16463)]