78168315

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 127650816

約数和(自身を除く): 49482501

約数列:

[1, 3, 5, 15, 107, 113, 321, 339, 431, 535, 565, 1293, 1605, 1695, 2155, 6465, 12091, 36273, 46117, 48703, 60455, 138351, 146109, 181365, 230585, 243515, 691755, 730545, 5211221, 15633663, 26056105, 78168315]

約数ペア:

[(1, 78168315), (3, 26056105), (5, 15633663), (15, 5211221), (107, 730545), (113, 691755), (321, 243515), (339, 230585), (431, 181365), (535, 146109), (565, 138351), (1293, 60455), (1605, 48703), (1695, 46117), (2155, 36273), (6465, 12091)]