39629979

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{16871}}^1$

素因数の和:16912

約数の個数: 20

約数和(自身を含む): 61245360

約数和(自身を除く): 21615381

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 16871, 50613, 151839, 455517, 489259, 1366551, 1467777, 4403331, 13209993, 39629979]

約数ペア:

[(1, 39629979), (3, 13209993), (9, 4403331), (27, 1467777), (29, 1366551), (81, 489259), (87, 455517), (261, 151839), (783, 50613), (2349, 16871)]