28262475

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2204

約数の個数: 36

約数和(自身を含む): 51503400

約数和(自身を除く): 23240925

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1475, 2129, 2655, 4425, 6387, 10645, 13275, 19161, 31935, 53225, 95805, 125611, 159675, 376833, 479025, 628055, 1130499, 1884165, 3140275, 5652495, 9420825, 28262475]

約数ペア:

[(1, 28262475), (3, 9420825), (5, 5652495), (9, 3140275), (15, 1884165), (25, 1130499), (45, 628055), (59, 479025), (75, 376833), (177, 159675), (225, 125611), (295, 95805), (531, 53225), (885, 31935), (1475, 19161), (2129, 13275), (2655, 10645), (4425, 6387)]