201431385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1471}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 372003840

約数和(自身を除く): 170572455

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 179, 255, 537, 765, 895, 1471, 1611, 2685, 3043, 4413, 7355, 8055, 9129, 13239, 15215, 22065, 25007, 27387, 45645, 66195, 75021, 125035, 136935, 225063, 263309, 375105, 789927, 1125315, 1316545, 2369781, 3949635, 4476253, 11848905, 13428759, 22381265, 40286277, 67143795, 201431385]

約数ペア:

[(1, 201431385), (3, 67143795), (5, 40286277), (9, 22381265), (15, 13428759), (17, 11848905), (45, 4476253), (51, 3949635), (85, 2369781), (153, 1316545), (179, 1125315), (255, 789927), (537, 375105), (765, 263309), (895, 225063), (1471, 136935), (1611, 125035), (2685, 75021), (3043, 66195), (4413, 45645), (7355, 27387), (8055, 25007), (9129, 22065), (13239, 15215)]