127781017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{37951}}^1$

素因数の和:38008

約数の個数: 16

約数和(自身を含む): 161523712

約数和(自身を除く): 33742695

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 37951, 265657, 493363, 1404187, 3453541, 9829309, 18254431, 127781017]

約数ペア:

[(1, 127781017), (7, 18254431), (13, 9829309), (37, 3453541), (91, 1404187), (259, 493363), (481, 265657), (3367, 37951)]