2021985975

素因数分解:

$3^1\times 5^2\times {\mathrm{2503}}^1\times {\mathrm{10771}}^1$

素因数の和:13287

約数の個数: 24

約数和(自身を含む): 3344662912

約数和(自身を除く): 1322676937

約数列:

[1, 3, 5, 15, 25, 75, 2503, 7509, 10771, 12515, 32313, 37545, 53855, 62575, 161565, 187725, 269275, 807825, 26959813, 80879439, 134799065, 404397195, 673995325, 2021985975]

約数ペア:

[(1, 2021985975), (3, 673995325), (5, 404397195), (15, 134799065), (25, 80879439), (75, 26959813), (2503, 807825), (7509, 269275), (10771, 187725), (12515, 161565), (32313, 62575), (37545, 53855)]