12216915

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3719}}^1$

素因数の和:3803

約数の個数: 24

約数和(自身を含む): 21471840

約数和(自身を除く): 9254925

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 3719, 11157, 18595, 33471, 55785, 167355, 271487, 814461, 1357435, 2443383, 4072305, 12216915]

約数ペア:

[(1, 12216915), (3, 4072305), (5, 2443383), (9, 1357435), (15, 814461), (45, 271487), (73, 167355), (219, 55785), (365, 33471), (657, 18595), (1095, 11157), (3285, 3719)]