71718009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{3359}}^1$

素因数の和:4020

約数の個数: 16

約数和(自身を含む): 104509440

約数和(自身を除く): 32791431

約数列:

[1, 3, 11, 33, 647, 1941, 3359, 7117, 10077, 21351, 36949, 110847, 2173273, 6519819, 23906003, 71718009]

約数ペア:

[(1, 71718009), (3, 23906003), (11, 6519819), (33, 2173273), (647, 110847), (1941, 36949), (3359, 21351), (7117, 10077)]