202048281

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{77681}}^1$

素因数の和:77721

約数の個数: 18

約数和(自身を含む): 310028862

約数和(自身を除く): 107980581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 77681, 233043, 699129, 1320577, 3961731, 11885193, 22449809, 67349427, 202048281]

約数ペア:

[(1, 202048281), (3, 67349427), (9, 22449809), (17, 11885193), (51, 3961731), (153, 1320577), (289, 699129), (867, 233043), (2601, 77681)]