9921515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 12623520

約数和(自身を除く): 2702005

約数列:

[1, 5, 19, 95, 181, 577, 905, 2885, 3439, 10963, 17195, 54815, 104437, 522185, 1984303, 9921515]

約数ペア:

[(1, 9921515), (5, 1984303), (19, 522185), (95, 104437), (181, 54815), (577, 17195), (905, 10963), (2885, 3439)]