12889989

素因数分解:

$3^3\times 7^2\times {\mathrm{9743}}^1$

素因数の和:9766

約数の個数: 24

約数和(自身を含む): 22216320

約数和(自身を除く): 9326331

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 9743, 29229, 68201, 87687, 204603, 263061, 477407, 613809, 1432221, 1841427, 4296663, 12889989]

約数ペア:

[(1, 12889989), (3, 4296663), (7, 1841427), (9, 1432221), (21, 613809), (27, 477407), (49, 263061), (63, 204603), (147, 87687), (189, 68201), (441, 29229), (1323, 9743)]