139487873

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 179661312

約数和(自身を除く): 40173439

約数列:

[1, 7, 17, 19, 119, 133, 191, 289, 323, 361, 1337, 2023, 2261, 2527, 3247, 3629, 5491, 6137, 22729, 25403, 38437, 42959, 55199, 61693, 68951, 104329, 386393, 431851, 482657, 730303, 1048781, 1172167, 7341467, 8205169, 19926839, 139487873]

約数ペア:

[(1, 139487873), (7, 19926839), (17, 8205169), (19, 7341467), (119, 1172167), (133, 1048781), (191, 730303), (289, 482657), (323, 431851), (361, 386393), (1337, 104329), (2023, 68951), (2261, 61693), (2527, 55199), (3247, 42959), (3629, 38437), (5491, 25403), (6137, 22729)]