72438399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1789}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 114488400

約数和(自身を除く): 42050001

約数列:

[1, 3, 9, 11, 33, 99, 409, 1227, 1789, 3681, 4499, 5367, 13497, 16101, 19679, 40491, 59037, 177111, 731701, 2195103, 6585309, 8048711, 24146133, 72438399]

約数ペア:

[(1, 72438399), (3, 24146133), (9, 8048711), (11, 6585309), (33, 2195103), (99, 731701), (409, 177111), (1227, 59037), (1789, 40491), (3681, 19679), (4499, 16101), (5367, 13497)]