217473399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{168977}}^1$

素因数の和:169007

約数の個数: 24

約数和(自身を含む): 369047952

約数和(自身を除く): 151574553

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 168977, 506931, 1520793, 1858747, 2196701, 5576241, 6590103, 16728723, 19770309, 24163711, 72491133, 217473399]

約数ペア:

[(1, 217473399), (3, 72491133), (9, 24163711), (11, 19770309), (13, 16728723), (33, 6590103), (39, 5576241), (99, 2196701), (117, 1858747), (143, 1520793), (429, 506931), (1287, 168977)]