78050007

素因数分解:

$3^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{821}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 132572160

約数和(自身を除く): 54522153

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 503, 821, 1509, 2463, 3521, 4527, 5747, 7389, 10563, 13581, 17241, 22167, 31689, 51723, 95067, 155169, 412963, 1238889, 2890741, 3716667, 8672223, 11150001, 26016669, 78050007]

約数ペア:

[(1, 78050007), (3, 26016669), (7, 11150001), (9, 8672223), (21, 3716667), (27, 2890741), (63, 1238889), (189, 412963), (503, 155169), (821, 95067), (1509, 51723), (2463, 31689), (3521, 22167), (4527, 17241), (5747, 13581), (7389, 10563)]