71405313

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 112250880

約数和(自身を除く): 40845567

約数列:

[1, 3, 7, 21, 41, 123, 239, 287, 347, 717, 861, 1041, 1673, 2429, 5019, 7287, 9799, 14227, 29397, 42681, 68593, 82933, 99589, 205779, 248799, 298767, 580531, 1741593, 3400253, 10200759, 23801771, 71405313]

約数ペア:

[(1, 71405313), (3, 23801771), (7, 10200759), (21, 3400253), (41, 1741593), (123, 580531), (239, 298767), (287, 248799), (347, 205779), (717, 99589), (861, 82933), (1041, 68593), (1673, 42681), (2429, 29397), (5019, 14227), (7287, 9799)]