138509091

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{9859}}^1$

素因数の和:10095

約数の個数: 24

約数和(自身を含む): 229698560

約数和(自身を除く): 91189469

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 9859, 14049, 29577, 69013, 88731, 207039, 621117, 2198557, 6595671, 15389899, 19787013, 46169697, 138509091]

約数ペア:

[(1, 138509091), (3, 46169697), (7, 19787013), (9, 15389899), (21, 6595671), (63, 2198557), (223, 621117), (669, 207039), (1561, 88731), (2007, 69013), (4683, 29577), (9859, 14049)]