40268781

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{967}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 66644864

約数和(自身を除く): 26376083

約数列:

[1, 3, 7, 9, 21, 63, 661, 967, 1983, 2901, 4627, 5949, 6769, 8703, 13881, 20307, 41643, 60921, 639187, 1917561, 4474309, 5752683, 13422927, 40268781]

約数ペア:

[(1, 40268781), (3, 13422927), (7, 5752683), (9, 4474309), (21, 1917561), (63, 639187), (661, 60921), (967, 41643), (1983, 20307), (2901, 13881), (4627, 8703), (5949, 6769)]