28012275

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5413}}^1$

素因数の和:5452

約数の個数: 36

約数和(自身を含む): 52364208

約数和(自身を除く): 24351933

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 5413, 16239, 27065, 48717, 81195, 124499, 135325, 243585, 373497, 405975, 622495, 1120491, 1217925, 1867485, 3112475, 5602455, 9337425, 28012275]

約数ペア:

[(1, 28012275), (3, 9337425), (5, 5602455), (9, 3112475), (15, 1867485), (23, 1217925), (25, 1120491), (45, 622495), (69, 405975), (75, 373497), (115, 243585), (207, 135325), (225, 124499), (345, 81195), (575, 48717), (1035, 27065), (1725, 16239), (5175, 5413)]