1285280121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{345227}}^1$

素因数の和:345320

約数の個数: 16

約数和(自身を含む): 1839374784

約数和(自身を除く): 554094663

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 345227, 1035681, 5868859, 17606577, 25201571, 75604713, 428426707, 1285280121]

約数ペア:

[(1, 1285280121), (3, 428426707), (17, 75604713), (51, 25201571), (73, 17606577), (219, 5868859), (1241, 1035681), (3723, 345227)]