71073891

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5059}}^1$

素因数の和:5295

約数の個数: 24

約数和(自身を含む): 117877760

約数和(自身を除く): 46803869

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 5059, 14049, 15177, 35413, 45531, 106239, 318717, 1128157, 3384471, 7897099, 10153413, 23691297, 71073891]

約数ペア:

[(1, 71073891), (3, 23691297), (7, 10153413), (9, 7897099), (21, 3384471), (63, 1128157), (223, 318717), (669, 106239), (1561, 45531), (2007, 35413), (4683, 15177), (5059, 14049)]