51721566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{663097}}^1$

素因数の和:663115

約数の個数: 16

約数和(自身を含む): 111400464

約数和(自身を除く): 59678898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 663097, 1326194, 1989291, 3978582, 8620261, 17240522, 25860783, 51721566]

約数ペア:

[(1, 51721566), (2, 25860783), (3, 17240522), (6, 8620261), (13, 3978582), (26, 1989291), (39, 1326194), (78, 663097)]