39978339

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{5261}}^1$

素因数の和:5430

約数の個数: 16

約数和(自身を含む): 56829600

約数和(自身を除く): 16851261

約数列:

[1, 3, 17, 51, 149, 447, 2533, 5261, 7599, 15783, 89437, 268311, 783889, 2351667, 13326113, 39978339]

約数ペア:

[(1, 39978339), (3, 13326113), (17, 2351667), (51, 783889), (149, 268311), (447, 89437), (2533, 15783), (5261, 7599)]