200920815

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{44207}}^1$

素因数の和:44319

約数の個数: 24

約数和(自身を含む): 351718848

約数和(自身を除く): 150798033

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 44207, 132621, 221035, 397863, 663105, 1989315, 4464907, 13394721, 22324535, 40184163, 66973605, 200920815]

約数ペア:

[(1, 200920815), (3, 66973605), (5, 40184163), (9, 22324535), (15, 13394721), (45, 4464907), (101, 1989315), (303, 663105), (505, 397863), (909, 221035), (1515, 132621), (4545, 44207)]