78334815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21143}}^1$

素因数の和:21183

約数の個数: 32

約数和(自身を含む): 142087680

約数和(自身を除く): 63752865

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21143, 63429, 105715, 274859, 317145, 401717, 824577, 1205151, 1374295, 2008585, 4122885, 5222321, 6025755, 15666963, 26111605, 78334815]

約数ペア:

[(1, 78334815), (3, 26111605), (5, 15666963), (13, 6025755), (15, 5222321), (19, 4122885), (39, 2008585), (57, 1374295), (65, 1205151), (95, 824577), (195, 401717), (247, 317145), (285, 274859), (741, 105715), (1235, 63429), (3705, 21143)]