12399921

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 19206720

約数和(自身を除く): 6806799

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 1619, 2553, 4857, 7659, 14571, 37237, 59903, 111711, 179709, 335133, 539127, 1377769, 4133307, 12399921]

約数ペア:

[(1, 12399921), (3, 4133307), (9, 1377769), (23, 539127), (37, 335133), (69, 179709), (111, 111711), (207, 59903), (333, 37237), (851, 14571), (1619, 7659), (2553, 4857)]