28642107

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 15484101

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 481, 851, 863, 897, 1443, 2553, 2589, 11063, 11219, 19849, 31931, 33189, 33657, 59547, 95793, 258037, 415103, 734413, 774111, 1245309, 2203239, 9547369, 28642107]

約数ペア:

[(1, 28642107), (3, 9547369), (13, 2203239), (23, 1245309), (37, 774111), (39, 734413), (69, 415103), (111, 258037), (299, 95793), (481, 59547), (851, 33657), (863, 33189), (897, 31931), (1443, 19849), (2553, 11219), (2589, 11063)]