251010747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{2551}}^1$

素因数の和:2628

約数の個数: 36

約数和(自身を含む): 404548144

約数和(自身を除く): 153537397

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 841, 1131, 2523, 2551, 3393, 7569, 7653, 10933, 22959, 32799, 33163, 73979, 98397, 99489, 221937, 298467, 665811, 961727, 2145391, 2885181, 6436173, 8655543, 19308519, 27890083, 83670249, 251010747]

約数ペア:

[(1, 251010747), (3, 83670249), (9, 27890083), (13, 19308519), (29, 8655543), (39, 6436173), (87, 2885181), (117, 2145391), (261, 961727), (377, 665811), (841, 298467), (1131, 221937), (2523, 99489), (2551, 98397), (3393, 73979), (7569, 33163), (7653, 32799), (10933, 22959)]