28140945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{38287}}^1$

素因数の和:38309

約数の個数: 24

約数和(自身を含む): 52377984

約数和(自身を除く): 24237039

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 38287, 114861, 191435, 268009, 574305, 804027, 1340045, 1876063, 4020135, 5628189, 9380315, 28140945]

約数ペア:

[(1, 28140945), (3, 9380315), (5, 5628189), (7, 4020135), (15, 1876063), (21, 1340045), (35, 804027), (49, 574305), (105, 268009), (147, 191435), (245, 114861), (735, 38287)]