478020105

素因数分解:

$3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{20389}}^1$

素因数の和:20921

約数の個数: 24

約数和(自身を含む): 830199240

約数和(自身を除く): 352179135

約数列:

[1, 3, 5, 9, 15, 45, 521, 1563, 2605, 4689, 7815, 20389, 23445, 61167, 101945, 183501, 305835, 917505, 10622669, 31868007, 53113345, 95604021, 159340035, 478020105]

約数ペア:

[(1, 478020105), (3, 159340035), (5, 95604021), (9, 53113345), (15, 31868007), (45, 10622669), (521, 917505), (1563, 305835), (2605, 183501), (4689, 101945), (7815, 61167), (20389, 23445)]