28639365

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^2$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 48387360

約数和(自身を除く): 19747995

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 317, 951, 1585, 4755, 6023, 18069, 30115, 90345, 100489, 301467, 502445, 1507335, 1909291, 5727873, 9546455, 28639365]

約数ペア:

[(1, 28639365), (3, 9546455), (5, 5727873), (15, 1909291), (19, 1507335), (57, 502445), (95, 301467), (285, 100489), (317, 90345), (951, 30115), (1585, 18069), (4755, 6023)]