7173600021

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{411071}}^1$

素因数の和:411361

約数の個数: 24

約数和(自身を含む): 11884913664

約数和(自身を除く): 4711313643

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 5817, 17451, 411071, 1233213, 2877497, 3699639, 8632491, 25897473, 113866667, 341600001, 797066669, 1024800003, 2391200007, 7173600021]

約数ペア:

[(1, 7173600021), (3, 2391200007), (7, 1024800003), (9, 797066669), (21, 341600001), (63, 113866667), (277, 25897473), (831, 8632491), (1939, 3699639), (2493, 2877497), (5817, 1233213), (17451, 411071)]