2021067045

素因数分解:

$3^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{10247}}^1$

素因数の和:10751

約数の個数: 40

約数和(自身を含む): 3630743424

約数和(自身を除く): 1609676379

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 487, 1461, 2435, 4383, 7305, 10247, 13149, 21915, 30741, 39447, 51235, 65745, 92223, 153705, 197235, 276669, 461115, 830007, 1383345, 4150035, 4990289, 14970867, 24951445, 44912601, 74854335, 134737803, 224563005, 404213409, 673689015, 2021067045]

約数ペア:

[(1, 2021067045), (3, 673689015), (5, 404213409), (9, 224563005), (15, 134737803), (27, 74854335), (45, 44912601), (81, 24951445), (135, 14970867), (405, 4990289), (487, 4150035), (1461, 1383345), (2435, 830007), (4383, 461115), (7305, 276669), (10247, 197235), (13149, 153705), (21915, 92223), (30741, 65745), (39447, 51235)]