72471231

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28057}}^1$

素因数の和:28111

約数の個数: 24

約数和(自身を含む): 122557344

約数和(自身を除く): 50086113

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 28057, 84171, 196399, 252513, 589197, 1150337, 1767591, 3451011, 8052359, 10353033, 24157077, 72471231]

約数ペア:

[(1, 72471231), (3, 24157077), (7, 10353033), (9, 8052359), (21, 3451011), (41, 1767591), (63, 1150337), (123, 589197), (287, 252513), (369, 196399), (861, 84171), (2583, 28057)]