81500715

素因数分解:

$3^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1061}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 145281600

約数和(自身を除く): 63780885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 569, 1061, 1707, 2845, 3183, 5121, 5305, 8535, 9549, 15363, 15915, 25605, 28647, 47745, 76815, 143235, 603709, 1811127, 3018545, 5433381, 9055635, 16300143, 27166905, 81500715]

約数ペア:

[(1, 81500715), (3, 27166905), (5, 16300143), (9, 9055635), (15, 5433381), (27, 3018545), (45, 1811127), (135, 603709), (569, 143235), (1061, 76815), (1707, 47745), (2845, 28647), (3183, 25605), (5121, 15915), (5305, 15363), (8535, 9549)]