3819991

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 20

約数和(自身を含む): 4683272

約数和(自身を除く): 863281

約数列:

[1, 7, 37, 43, 49, 259, 301, 343, 1591, 1813, 2107, 2401, 11137, 12691, 14749, 77959, 88837, 103243, 545713, 3819991]

約数ペア:

[(1, 3819991), (7, 545713), (37, 103243), (43, 88837), (49, 77959), (259, 14749), (301, 12691), (343, 11137), (1591, 2401), (1813, 2107)]