28445823

素因数分解:

$3^5\times 7^2\times {\mathrm{2389}}^1$

素因数の和:2418

約数の個数: 36

約数和(自身を含む): 49587720

約数和(自身を除く): 21141897

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 2389, 3969, 7167, 11907, 16723, 21501, 50169, 64503, 117061, 150507, 193509, 351183, 451521, 580527, 1053549, 1354563, 3160647, 4063689, 9481941, 28445823]

約数ペア:

[(1, 28445823), (3, 9481941), (7, 4063689), (9, 3160647), (21, 1354563), (27, 1053549), (49, 580527), (63, 451521), (81, 351183), (147, 193509), (189, 150507), (243, 117061), (441, 64503), (567, 50169), (1323, 21501), (1701, 16723), (2389, 11907), (3969, 7167)]