28639143

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 46099200

約数和(自身を除く): 17460057

約数列:

[1, 3, 9, 13, 27, 39, 117, 139, 351, 417, 587, 1251, 1761, 1807, 3753, 5283, 5421, 7631, 15849, 16263, 22893, 48789, 68679, 81593, 206037, 244779, 734337, 1060709, 2203011, 3182127, 9546381, 28639143]

約数ペア:

[(1, 28639143), (3, 9546381), (9, 3182127), (13, 2203011), (27, 1060709), (39, 734337), (117, 244779), (139, 206037), (351, 81593), (417, 68679), (587, 48789), (1251, 22893), (1761, 16263), (1807, 15849), (3753, 7631), (5283, 5421)]