2988755

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 4555440

約数和(自身を除く): 1566685

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 1109, 2695, 5545, 7763, 12199, 38815, 54341, 60995, 85393, 271705, 426965, 597751, 2988755]

約数ペア:

[(1, 2988755), (5, 597751), (7, 426965), (11, 271705), (35, 85393), (49, 60995), (55, 54341), (77, 38815), (245, 12199), (385, 7763), (539, 5545), (1109, 2695)]