28972593

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 17597007

約数列:

[1, 3, 9, 13, 27, 39, 117, 197, 351, 419, 591, 1257, 1773, 2561, 3771, 5319, 5447, 7683, 11313, 16341, 23049, 49023, 69147, 82543, 147069, 247629, 742887, 1073059, 2228661, 3219177, 9657531, 28972593]

約数ペア:

[(1, 28972593), (3, 9657531), (9, 3219177), (13, 2228661), (27, 1073059), (39, 742887), (117, 247629), (197, 147069), (351, 82543), (419, 69147), (591, 49023), (1257, 23049), (1773, 16341), (2561, 11313), (3771, 7683), (5319, 5447)]