198720387

素因数分解:

$3^2\times {\mathrm{419}}^1\times {\mathrm{52697}}^1$

素因数の和:53122

約数の個数: 12

約数和(自身を含む): 287731080

約数和(自身を除く): 89010693

約数列:

[1, 3, 9, 419, 1257, 3771, 52697, 158091, 474273, 22080043, 66240129, 198720387]

約数ペア:

[(1, 198720387), (3, 66240129), (9, 22080043), (419, 474273), (1257, 158091), (3771, 52697)]