215680101

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{953}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 354735360

約数和(自身を除く): 139055259

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 829, 953, 2487, 2859, 5803, 6671, 10777, 12389, 17409, 20013, 32331, 37167, 75439, 86723, 226317, 260169, 790037, 2370111, 5530259, 10270481, 16590777, 30811443, 71893367, 215680101]

約数ペア:

[(1, 215680101), (3, 71893367), (7, 30811443), (13, 16590777), (21, 10270481), (39, 5530259), (91, 2370111), (273, 790037), (829, 260169), (953, 226317), (2487, 86723), (2859, 75439), (5803, 37167), (6671, 32331), (10777, 20013), (12389, 17409)]