28224261

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 45373440

約数和(自身を除く): 17149179

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 351, 421, 573, 1263, 1719, 2483, 3789, 5157, 5473, 7449, 11367, 16419, 22347, 49257, 67041, 80411, 147771, 241233, 723699, 1045343, 2171097, 3136029, 9408087, 28224261]

約数ペア:

[(1, 28224261), (3, 9408087), (9, 3136029), (13, 2171097), (27, 1045343), (39, 723699), (117, 241233), (191, 147771), (351, 80411), (421, 67041), (573, 49257), (1263, 22347), (1719, 16419), (2483, 11367), (3789, 7449), (5157, 5473)]