13181505

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12377}}^1$

素因数の和:12456

約数の個数: 16

約数和(自身を含む): 21389184

約数和(自身を除く): 8207679

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 12377, 37131, 61885, 185655, 878767, 2636301, 4393835, 13181505]

約数ペア:

[(1, 13181505), (3, 4393835), (5, 2636301), (15, 878767), (71, 185655), (213, 61885), (355, 37131), (1065, 12377)]