2111895

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 3717792

約数和(自身を除く): 1605897

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 661, 1065, 1983, 3195, 3305, 5949, 9915, 29745, 46931, 140793, 234655, 422379, 703965, 2111895]

約数ペア:

[(1, 2111895), (3, 703965), (5, 422379), (9, 234655), (15, 140793), (45, 46931), (71, 29745), (213, 9915), (355, 5949), (639, 3305), (661, 3195), (1065, 1983)]