31383459

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{823}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 47989760

約数和(自身を除く): 16606301

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 823, 2007, 2469, 4237, 7407, 12711, 15637, 38133, 46911, 140733, 183529, 550587, 1651761, 3487051, 10461153, 31383459]

約数ペア:

[(1, 31383459), (3, 10461153), (9, 3487051), (19, 1651761), (57, 550587), (171, 183529), (223, 140733), (669, 46911), (823, 38133), (2007, 15637), (2469, 12711), (4237, 7407)]