28641123

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1187}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 47443968

約数和(自身を除く): 18802845

約数列:

[1, 3, 7, 9, 21, 63, 383, 1149, 1187, 2681, 3447, 3561, 8043, 8309, 10683, 24129, 24927, 74781, 454621, 1363863, 3182347, 4091589, 9547041, 28641123]

約数ペア:

[(1, 28641123), (3, 9547041), (7, 4091589), (9, 3182347), (21, 1363863), (63, 454621), (383, 74781), (1149, 24927), (1187, 24129), (2681, 10683), (3447, 8309), (3561, 8043)]