311326821

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1709}}^1$

素因数の和:1907

約数の個数: 40

約数和(自身を含む): 504032760

約数和(自身を除く): 192705939

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 173, 351, 519, 1053, 1557, 1709, 2249, 4671, 5127, 6747, 14013, 15381, 20241, 22217, 46143, 60723, 66651, 138429, 182169, 199953, 295657, 599859, 886971, 1799577, 2660913, 3843541, 7982739, 11530623, 23948217, 34591869, 103775607, 311326821]

約数ペア:

[(1, 311326821), (3, 103775607), (9, 34591869), (13, 23948217), (27, 11530623), (39, 7982739), (81, 3843541), (117, 2660913), (173, 1799577), (351, 886971), (519, 599859), (1053, 295657), (1557, 199953), (1709, 182169), (2249, 138429), (4671, 66651), (5127, 60723), (6747, 46143), (14013, 22217), (15381, 20241)]