12665781

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 19239360

約数和(自身を除く): 6573579

約数列:

[1, 3, 9, 27, 53, 159, 167, 477, 501, 1431, 1503, 2809, 4509, 8427, 8851, 25281, 26553, 75843, 79659, 238977, 469103, 1407309, 4221927, 12665781]

約数ペア:

[(1, 12665781), (3, 4221927), (9, 1407309), (27, 469103), (53, 238977), (159, 79659), (167, 75843), (477, 26553), (501, 25281), (1431, 8851), (1503, 8427), (2809, 4509)]