81345615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{32089}}^1$

素因数の和:32123

約数の個数: 24

約数和(自身を含む): 140939280

約数和(自身を除く): 59593665

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 32089, 96267, 160445, 417157, 481335, 1251471, 2085785, 5423041, 6257355, 16269123, 27115205, 81345615]

約数ペア:

[(1, 81345615), (3, 27115205), (5, 16269123), (13, 6257355), (15, 5423041), (39, 2085785), (65, 1251471), (169, 481335), (195, 417157), (507, 160445), (845, 96267), (2535, 32089)]