31330485

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30271}}^1$

素因数の和:30305

約数の個数: 24

約数和(自身を含む): 56669184

約数和(自身を除く): 25338699

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 30271, 90813, 151355, 272439, 454065, 696233, 1362195, 2088699, 3481165, 6266097, 10443495, 31330485]

約数ペア:

[(1, 31330485), (3, 10443495), (5, 6266097), (9, 3481165), (15, 2088699), (23, 1362195), (45, 696233), (69, 454065), (115, 272439), (207, 151355), (345, 90813), (1035, 30271)]