520089417

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{43093}}^1$

素因数の和:43254

約数の個数: 20

約数和(自身を含む): 782156100

約数和(自身を除く): 262066683

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 43093, 129279, 387837, 1163511, 3490533, 6420857, 19262571, 57787713, 173363139, 520089417]

約数ペア:

[(1, 520089417), (3, 173363139), (9, 57787713), (27, 19262571), (81, 6420857), (149, 3490533), (447, 1163511), (1341, 387837), (4023, 129279), (12069, 43093)]