2191245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 1921395

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 509, 615, 861, 1435, 1527, 2545, 3563, 4305, 7635, 10689, 17815, 20869, 53445, 62607, 104345, 146083, 313035, 438249, 730415, 2191245]

約数ペア:

[(1, 2191245), (3, 730415), (5, 438249), (7, 313035), (15, 146083), (21, 104345), (35, 62607), (41, 53445), (105, 20869), (123, 17815), (205, 10689), (287, 7635), (509, 4305), (615, 3563), (861, 2545), (1435, 1527)]