81796617

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{44771}}^1$

素因数の和:44813

約数の個数: 24

約数和(自身を含む): 139688640

約数和(自身を除く): 57892023

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 44771, 134313, 313397, 402939, 940191, 1298359, 2820573, 3895077, 9088513, 11685231, 27265539, 81796617]

約数ペア:

[(1, 81796617), (3, 27265539), (7, 11685231), (9, 9088513), (21, 3895077), (29, 2820573), (63, 1298359), (87, 940191), (203, 402939), (261, 313397), (609, 134313), (1827, 44771)]