9982521

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:754

約数の個数: 20

約数和(自身を含む): 15002064

約数和(自身を除く): 5019543

約数列:

[1, 3, 9, 27, 81, 251, 491, 753, 1473, 2259, 4419, 6777, 13257, 20331, 39771, 123241, 369723, 1109169, 3327507, 9982521]

約数ペア:

[(1, 9982521), (3, 3327507), (9, 1109169), (27, 369723), (81, 123241), (251, 39771), (491, 20331), (753, 13257), (1473, 6777), (2259, 4419)]