2180115

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{769}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 4472160

約数和(自身を除く): 2292045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 769, 945, 2307, 2835, 3845, 5383, 6921, 11535, 16149, 20763, 26915, 34605, 48447, 62289, 80745, 103815, 145341, 242235, 311445, 436023, 726705, 2180115]

約数ペア:

[(1, 2180115), (3, 726705), (5, 436023), (7, 311445), (9, 242235), (15, 145341), (21, 103815), (27, 80745), (35, 62289), (45, 48447), (63, 34605), (81, 26915), (105, 20763), (135, 16149), (189, 11535), (315, 6921), (405, 5383), (567, 3845), (769, 2835), (945, 2307)]