81868995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{46649}}^1$

素因数の和:46676

約数の個数: 32

約数和(自身を含む): 156744000

約数和(自身を除く): 74875005

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 46649, 139947, 233245, 419841, 606437, 699735, 1259523, 1819311, 2099205, 3032185, 5457933, 6297615, 9096555, 16373799, 27289665, 81868995]

約数ペア:

[(1, 81868995), (3, 27289665), (5, 16373799), (9, 9096555), (13, 6297615), (15, 5457933), (27, 3032185), (39, 2099205), (45, 1819311), (65, 1259523), (117, 699735), (135, 606437), (195, 419841), (351, 233245), (585, 139947), (1755, 46649)]