420417

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 650880

約数和(自身を除く): 230463

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 677, 2031, 6093, 15571, 18279, 46713, 140139, 420417]

約数ペア:

[(1, 420417), (3, 140139), (9, 46713), (23, 18279), (27, 15571), (69, 6093), (207, 2031), (621, 677)]