81948165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3719}}^1$

素因数の和:3853

約数の個数: 32

約数和(自身を含む): 142490880

約数和(自身を除く): 60542715

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 1469, 1695, 3719, 4407, 7345, 11157, 18595, 22035, 48347, 55785, 145041, 241735, 420247, 725205, 1260741, 2101235, 5463211, 6303705, 16389633, 27316055, 81948165]

約数ペア:

[(1, 81948165), (3, 27316055), (5, 16389633), (13, 6303705), (15, 5463211), (39, 2101235), (65, 1260741), (113, 725205), (195, 420247), (339, 241735), (565, 145041), (1469, 55785), (1695, 48347), (3719, 22035), (4407, 18595), (7345, 11157)]