78806715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9857}}^1$

素因数の和:9919

約数の個数: 32

約数和(自身を含む): 139116096

約数和(自身を除く): 60309381

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 9857, 29571, 49285, 128141, 147855, 384423, 404137, 640705, 1212411, 1922115, 2020685, 5253781, 6062055, 15761343, 26268905, 78806715]

約数ペア:

[(1, 78806715), (3, 26268905), (5, 15761343), (13, 6062055), (15, 5253781), (39, 2020685), (41, 1922115), (65, 1212411), (123, 640705), (195, 404137), (205, 384423), (533, 147855), (615, 128141), (1599, 49285), (2665, 29571), (7995, 9857)]