30391905

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28537}}^1$

素因数の和:28616

約数の個数: 16

約数和(自身を含む): 49313664

約数和(自身を除く): 18921759

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 28537, 85611, 142685, 428055, 2026127, 6078381, 10130635, 30391905]

約数ペア:

[(1, 30391905), (3, 10130635), (5, 6078381), (15, 2026127), (71, 428055), (213, 142685), (355, 85611), (1065, 28537)]