28975239

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 45906432

約数和(自身を除く): 16931193

約数列:

[1, 3, 9, 23, 27, 69, 81, 103, 151, 207, 309, 453, 621, 927, 1359, 1863, 2369, 2781, 3473, 4077, 7107, 8343, 10419, 12231, 15553, 21321, 31257, 46659, 63963, 93771, 139977, 191889, 281313, 357719, 419931, 1073157, 1259793, 3219471, 9658413, 28975239]

約数ペア:

[(1, 28975239), (3, 9658413), (9, 3219471), (23, 1259793), (27, 1073157), (69, 419931), (81, 357719), (103, 281313), (151, 191889), (207, 139977), (309, 93771), (453, 63963), (621, 46659), (927, 31257), (1359, 21321), (1863, 15553), (2369, 12231), (2781, 10419), (3473, 8343), (4077, 7107)]