156979725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2903}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 299599872

約数和(自身を除く): 142620147

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 175, 309, 515, 525, 721, 1545, 2163, 2575, 2903, 3605, 7725, 8709, 10815, 14515, 18025, 20321, 43545, 54075, 60963, 72575, 101605, 217725, 299009, 304815, 508025, 897027, 1495045, 1524075, 2093063, 4485135, 6279189, 7475225, 10465315, 22425675, 31395945, 52326575, 156979725]

約数ペア:

[(1, 156979725), (3, 52326575), (5, 31395945), (7, 22425675), (15, 10465315), (21, 7475225), (25, 6279189), (35, 4485135), (75, 2093063), (103, 1524075), (105, 1495045), (175, 897027), (309, 508025), (515, 304815), (525, 299009), (721, 217725), (1545, 101605), (2163, 72575), (2575, 60963), (2903, 54075), (3605, 43545), (7725, 20321), (8709, 18025), (10815, 14515)]