121228009

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 148072320

約数和(自身を除く): 26844311

約数列:

[1, 7, 23, 49, 161, 263, 409, 1127, 1841, 2863, 6049, 9407, 12887, 20041, 42343, 65849, 107567, 296401, 460943, 752969, 2474041, 5270783, 17318287, 121228009]

約数ペア:

[(1, 121228009), (7, 17318287), (23, 5270783), (49, 2474041), (161, 752969), (263, 460943), (409, 296401), (1127, 107567), (1841, 65849), (2863, 42343), (6049, 20041), (9407, 12887)]