72413229

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^2\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 115269504

約数和(自身を除く): 42856275

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 223, 329, 669, 987, 1561, 2209, 2303, 4683, 6627, 6909, 10481, 10927, 15463, 31443, 32781, 46389, 73367, 108241, 220101, 324723, 492607, 513569, 1477821, 1540707, 3448249, 10344747, 24137743, 72413229]

約数ペア:

[(1, 72413229), (3, 24137743), (7, 10344747), (21, 3448249), (47, 1540707), (49, 1477821), (141, 513569), (147, 492607), (223, 324723), (329, 220101), (669, 108241), (987, 73367), (1561, 46389), (2209, 32781), (2303, 31443), (4683, 15463), (6627, 10927), (6909, 10481)]