72291513

素因数分解:

$3^1\times 7^2\times {\mathrm{599}}^1\times {\mathrm{821}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 112449600

約数和(自身を除く): 40158087

約数列:

[1, 3, 7, 21, 49, 147, 599, 821, 1797, 2463, 4193, 5747, 12579, 17241, 29351, 40229, 88053, 120687, 491779, 1475337, 3442453, 10327359, 24097171, 72291513]

約数ペア:

[(1, 72291513), (3, 24097171), (7, 10327359), (21, 3442453), (49, 1475337), (147, 491779), (599, 120687), (821, 88053), (1797, 40229), (2463, 29351), (4193, 17241), (5747, 12579)]