81805145

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{2741}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 101081088

約数和(自身を除く): 19275943

約数列:

[1, 5, 47, 127, 235, 635, 2741, 5969, 13705, 29845, 128827, 348107, 644135, 1740535, 16361029, 81805145]

約数ペア:

[(1, 81805145), (5, 16361029), (47, 1740535), (127, 644135), (235, 348107), (635, 128827), (2741, 29845), (5969, 13705)]