978387081

素因数分解:

$3^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{30431}}^1$

素因数の和:31972

約数の個数: 16

約数和(自身を含む): 1491898368

約数和(自身を除く): 513511287

約数列:

[1, 3, 7, 21, 1531, 4593, 10717, 30431, 32151, 91293, 213017, 639051, 46589861, 139769583, 326129027, 978387081]

約数ペア:

[(1, 978387081), (3, 326129027), (7, 139769583), (21, 46589861), (1531, 639051), (4593, 213017), (10717, 91293), (30431, 32151)]