207819731

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 252174384

約数和(自身を除く): 44354653

約数列:

[1, 7, 43, 49, 53, 301, 371, 1861, 2107, 2279, 2597, 13027, 15953, 80023, 91189, 98633, 111671, 560161, 690431, 3921127, 4241219, 4833017, 29688533, 207819731]

約数ペア:

[(1, 207819731), (7, 29688533), (43, 4833017), (49, 4241219), (53, 3921127), (301, 690431), (371, 560161), (1861, 111671), (2107, 98633), (2279, 91189), (2597, 80023), (13027, 15953)]