81318123

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1163}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 124748208

約数和(自身を除く): 43430085

約数列:

[1, 3, 9, 17, 51, 153, 457, 1163, 1371, 3489, 4113, 7769, 10467, 19771, 23307, 59313, 69921, 177939, 531491, 1594473, 4783419, 9035347, 27106041, 81318123]

約数ペア:

[(1, 81318123), (3, 27106041), (9, 9035347), (17, 4783419), (51, 1594473), (153, 531491), (457, 177939), (1163, 69921), (1371, 59313), (3489, 23307), (4113, 19771), (7769, 10467)]