81317055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{15017}}^1$

素因数の和:15063

約数の個数: 24

約数和(自身を含む): 137324592

約数和(自身を除く): 56007537

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 15017, 45051, 75085, 225255, 285323, 855969, 1426615, 4279845, 5421137, 16263411, 27105685, 81317055]

約数ペア:

[(1, 81317055), (3, 27105685), (5, 16263411), (15, 5421137), (19, 4279845), (57, 1426615), (95, 855969), (285, 285323), (361, 225255), (1083, 75085), (1805, 45051), (5415, 15017)]