66443391

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2447}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 109983744

約数和(自身を除く): 43540353

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 2447, 3017, 3879, 7341, 9051, 17129, 22023, 27153, 51387, 154161, 1054657, 3163971, 7382599, 9491913, 22147797, 66443391]

約数ペア:

[(1, 66443391), (3, 22147797), (7, 9491913), (9, 7382599), (21, 3163971), (63, 1054657), (431, 154161), (1293, 51387), (2447, 27153), (3017, 22023), (3879, 17129), (7341, 9051)]