7818201

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:642

約数の個数: 20

約数和(自身を含む): 11755392

約数和(自身を除く): 3937191

約数列:

[1, 3, 9, 27, 81, 263, 367, 789, 1101, 2367, 3303, 7101, 9909, 21303, 29727, 96521, 289563, 868689, 2606067, 7818201]

約数ペア:

[(1, 7818201), (3, 2606067), (9, 868689), (27, 289563), (81, 96521), (263, 29727), (367, 21303), (789, 9909), (1101, 7101), (2367, 3303)]