61440405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1933}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 106571136

約数和(自身を除く): 45130731

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 815, 1933, 2119, 2445, 5799, 6357, 9665, 10595, 25129, 28995, 31785, 75387, 125645, 315079, 376935, 945237, 1575395, 4096027, 4726185, 12288081, 20480135, 61440405]

約数ペア:

[(1, 61440405), (3, 20480135), (5, 12288081), (13, 4726185), (15, 4096027), (39, 1575395), (65, 945237), (163, 376935), (195, 315079), (489, 125645), (815, 75387), (1933, 31785), (2119, 28995), (2445, 25129), (5799, 10595), (6357, 9665)]