28284399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22007

約数の個数: 24

約数和(自身を含む): 47999952

約数和(自身を除く): 19715553

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21977, 65931, 197793, 241747, 285701, 725241, 857103, 2175723, 2571309, 3142711, 9428133, 28284399]

約数ペア:

[(1, 28284399), (3, 9428133), (9, 3142711), (11, 2571309), (13, 2175723), (33, 857103), (39, 725241), (99, 285701), (117, 241747), (143, 197793), (429, 65931), (1287, 21977)]