210004725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{400009}}^1$

素因数の和:400029

約数の個数: 24

約数和(自身を含む): 396809920

約数和(自身を除く): 186805195

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 400009, 1200027, 2000045, 2800063, 6000135, 8400189, 10000225, 14000315, 30000675, 42000945, 70001575, 210004725]

約数ペア:

[(1, 210004725), (3, 70001575), (5, 42000945), (7, 30000675), (15, 14000315), (21, 10000225), (25, 8400189), (35, 6000135), (75, 2800063), (105, 2000045), (175, 1200027), (525, 400009)]