396819

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 628992

約数和(自身を除く): 232173

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 243, 621, 639, 1633, 1863, 1917, 4899, 5589, 5751, 14697, 17253, 44091, 132273, 396819]

約数ペア:

[(1, 396819), (3, 132273), (9, 44091), (23, 17253), (27, 14697), (69, 5751), (71, 5589), (81, 4899), (207, 1917), (213, 1863), (243, 1633), (621, 639)]