189778813

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{19079}}^1$

素因数の和:19129

約数の個数: 16

約数和(自身を含む): 228960000

約数和(自身を除く): 39181187

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 19079, 133553, 553291, 934871, 3873037, 6544097, 27111259, 189778813]

約数ペア:

[(1, 189778813), (7, 27111259), (29, 6544097), (49, 3873037), (203, 934871), (343, 553291), (1421, 133553), (9947, 19079)]