15805293

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 24842880

約数和(自身を除く): 9037587

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1361, 1659, 3871, 4083, 9527, 11613, 28581, 66689, 107519, 200067, 322557, 752633, 2257899, 5268431, 15805293]

約数ペア:

[(1, 15805293), (3, 5268431), (7, 2257899), (21, 752633), (49, 322557), (79, 200067), (147, 107519), (237, 66689), (553, 28581), (1361, 11613), (1659, 9527), (3871, 4083)]