2158905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 4089600

約数和(自身を除く): 1930695

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 709, 1015, 2127, 3045, 3545, 4963, 10635, 14889, 20561, 24815, 61683, 74445, 102805, 143927, 308415, 431781, 719635, 2158905]

約数ペア:

[(1, 2158905), (3, 719635), (5, 431781), (7, 308415), (15, 143927), (21, 102805), (29, 74445), (35, 61683), (87, 24815), (105, 20561), (145, 14889), (203, 10635), (435, 4963), (609, 3545), (709, 3045), (1015, 2127)]