7800565563

素因数分解:

$3^2\times 7^1\times {\mathrm{123818501}}^1$

素因数の和:123818514

約数の個数: 12

約数和(自身を含む): 12877124208

約数和(自身を除く): 5076558645

約数列:

[1, 3, 7, 9, 21, 63, 123818501, 371455503, 866729507, 1114366509, 2600188521, 7800565563]

約数ペア:

[(1, 7800565563), (3, 2600188521), (7, 1114366509), (9, 866729507), (21, 371455503), (63, 123818501)]