16765905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 29159424

約数和(自身を除く): 12393519

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 677, 1651, 1905, 2031, 3385, 4953, 8255, 8801, 10155, 24765, 26403, 44005, 85979, 132015, 257937, 429895, 1117727, 1289685, 3353181, 5588635, 16765905]

約数ペア:

[(1, 16765905), (3, 5588635), (5, 3353181), (13, 1289685), (15, 1117727), (39, 429895), (65, 257937), (127, 132015), (195, 85979), (381, 44005), (635, 26403), (677, 24765), (1651, 10155), (1905, 8801), (2031, 8255), (3385, 4953)]