30621978

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{12239}}^1$

素因数の和:12386

約数の個数: 24

約数和(自身を含む): 66830400

約数和(自身を除く): 36208422

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 12239, 24478, 36717, 73434, 110151, 220302, 1701221, 3402442, 5103663, 10207326, 15310989, 30621978]

約数ペア:

[(1, 30621978), (2, 15310989), (3, 10207326), (6, 5103663), (9, 3402442), (18, 1701221), (139, 220302), (278, 110151), (417, 73434), (834, 36717), (1251, 24478), (2502, 12239)]