9721617507

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{420467}}^1$

素因数の和:420847

約数の個数: 24

約数和(自身を含む): 16092151296

約数和(自身を除く): 6370533789

約数列:

[1, 3, 7, 9, 21, 63, 367, 1101, 2569, 3303, 7707, 23121, 420467, 1261401, 2943269, 3784203, 8829807, 26489421, 154311389, 462934167, 1080179723, 1388802501, 3240539169, 9721617507]

約数ペア:

[(1, 9721617507), (3, 3240539169), (7, 1388802501), (9, 1080179723), (21, 462934167), (63, 154311389), (367, 26489421), (1101, 8829807), (2569, 3784203), (3303, 2943269), (7707, 1261401), (23121, 420467)]