2511915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 4700160

約数和(自身を除く): 2188245

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 509, 705, 987, 1527, 1645, 2545, 3563, 4935, 7635, 10689, 17815, 23923, 53445, 71769, 119615, 167461, 358845, 502383, 837305, 2511915]

約数ペア:

[(1, 2511915), (3, 837305), (5, 502383), (7, 358845), (15, 167461), (21, 119615), (35, 71769), (47, 53445), (105, 23923), (141, 17815), (235, 10689), (329, 7635), (509, 4935), (705, 3563), (987, 2545), (1527, 1645)]