30640743

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3651

約数の個数: 24

約数和(自身を含む): 50960000

約数和(自身を除く): 20319257

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3499, 8757, 10497, 24493, 31491, 73479, 220437, 486361, 1459083, 3404527, 4377249, 10213581, 30640743]

約数ペア:

[(1, 30640743), (3, 10213581), (7, 4377249), (9, 3404527), (21, 1459083), (63, 486361), (139, 220437), (417, 73479), (973, 31491), (1251, 24493), (2919, 10497), (3499, 8757)]