28340847

素因数分解:

$3^5\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 42724864

約数和(自身を除く): 14384017

約数列:

[1, 3, 9, 27, 81, 223, 243, 523, 669, 1569, 2007, 4707, 6021, 14121, 18063, 42363, 54189, 116629, 127089, 349887, 1049661, 3148983, 9446949, 28340847]

約数ペア:

[(1, 28340847), (3, 9446949), (9, 3148983), (27, 1049661), (81, 349887), (223, 127089), (243, 116629), (523, 54189), (669, 42363), (1569, 18063), (2007, 14121), (4707, 6021)]