15393155

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 18931968

約数和(自身を除く): 3538813

約数列:

[1, 5, 71, 131, 331, 355, 655, 1655, 9301, 23501, 43361, 46505, 117505, 216805, 3078631, 15393155]

約数ペア:

[(1, 15393155), (5, 3078631), (71, 216805), (131, 117505), (331, 46505), (355, 43361), (655, 23501), (1655, 9301)]