807885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 1509144

約数和(自身を除く): 701259

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1381, 4143, 6905, 12429, 17953, 20715, 53859, 62145, 89765, 161577, 269295, 807885]

約数ペア:

[(1, 807885), (3, 269295), (5, 161577), (9, 89765), (13, 62145), (15, 53859), (39, 20715), (45, 17953), (65, 12429), (117, 6905), (195, 4143), (585, 1381)]