7217991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{8101}}^1$

素因数の和:8124

約数の個数: 20

約数和(自身を含む): 11764104

約数和(自身を除く): 4546113

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 8101, 24303, 72909, 89111, 218727, 267333, 656181, 801999, 2405997, 7217991]

約数ペア:

[(1, 7217991), (3, 2405997), (9, 801999), (11, 656181), (27, 267333), (33, 218727), (81, 89111), (99, 72909), (297, 24303), (891, 8101)]