72095121

素因数分解:

$3^2\times 7^2\times {\mathrm{163481}}^1$

素因数の和:163501

約数の個数: 18

約数和(自身を含む): 121140162

約数和(自身を除く): 49045041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 163481, 490443, 1144367, 1471329, 3433101, 8010569, 10299303, 24031707, 72095121]

約数ペア:

[(1, 72095121), (3, 24031707), (7, 10299303), (9, 8010569), (21, 3433101), (49, 1471329), (63, 1144367), (147, 490443), (441, 163481)]