72291471

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 41249649

約数列:

[1, 3, 7, 21, 43, 129, 223, 301, 359, 669, 903, 1077, 1561, 2513, 4683, 7539, 9589, 15437, 28767, 46311, 67123, 80057, 108059, 201369, 240171, 324177, 560399, 1681197, 3442451, 10327353, 24097157, 72291471]

約数ペア:

[(1, 72291471), (3, 24097157), (7, 10327353), (21, 3442451), (43, 1681197), (129, 560399), (223, 324177), (301, 240171), (359, 201369), (669, 108059), (903, 80057), (1077, 67123), (1561, 46311), (2513, 28767), (4683, 15437), (7539, 9589)]