200021471

素因数分解:

${\mathrm{13}}^3\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:723

約数の個数: 16

約数和(自身を含む): 218312640

約数和(自身を除く): 18291169

約数列:

[1, 13, 169, 181, 503, 2197, 2353, 6539, 30589, 85007, 91043, 397657, 1105091, 1183559, 15386267, 200021471]

約数ペア:

[(1, 200021471), (13, 15386267), (169, 1183559), (181, 1105091), (503, 397657), (2197, 91043), (2353, 85007), (6539, 30589)]