80809209

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53129}}^1$

素因数の和:53161

約数の個数: 18

約数和(自身を含む): 126396270

約数和(自身を除く): 45587061

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 53129, 159387, 478161, 690677, 2072031, 6216093, 8978801, 26936403, 80809209]

約数ペア:

[(1, 80809209), (3, 26936403), (9, 8978801), (13, 6216093), (39, 2072031), (117, 690677), (169, 478161), (507, 159387), (1521, 53129)]