42978105

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6871}}^1$

素因数の和:7021

約数の個数: 24

約数和(自身を含む): 75042240

約数和(自身を除く): 32064135

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 6871, 20613, 34355, 61839, 103065, 309195, 955069, 2865207, 4775345, 8595621, 14326035, 42978105]

約数ペア:

[(1, 42978105), (3, 14326035), (5, 8595621), (9, 4775345), (15, 2865207), (45, 955069), (139, 309195), (417, 103065), (695, 61839), (1251, 34355), (2085, 20613), (6255, 6871)]