12127905

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 21152040

約数和(自身を除く): 9024135

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1489, 1629, 2715, 4467, 7445, 8145, 13401, 22335, 67005, 269509, 808527, 1347545, 2425581, 4042635, 12127905]

約数ペア:

[(1, 12127905), (3, 4042635), (5, 2425581), (9, 1347545), (15, 808527), (45, 269509), (181, 67005), (543, 22335), (905, 13401), (1489, 8145), (1629, 7445), (2715, 4467)]