28890915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62131}}^1$

素因数の和:62170

約数の個数: 16

約数和(自身を含む): 47717376

約数和(自身を除く): 18826461

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 62131, 186393, 310655, 931965, 1926061, 5778183, 9630305, 28890915]

約数ペア:

[(1, 28890915), (3, 9630305), (5, 5778183), (15, 1926061), (31, 931965), (93, 310655), (155, 186393), (465, 62131)]