40872615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{55609}}^1$

素因数の和:55631

約数の個数: 24

約数和(自身を含む): 76074480

約数和(自身を除く): 35201865

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 55609, 166827, 278045, 389263, 834135, 1167789, 1946315, 2724841, 5838945, 8174523, 13624205, 40872615]

約数ペア:

[(1, 40872615), (3, 13624205), (5, 8174523), (7, 5838945), (15, 2724841), (21, 1946315), (35, 1167789), (49, 834135), (105, 389263), (147, 278045), (245, 166827), (735, 55609)]