19758413997

素因数分解:

$3^4\times 7^1\times {\mathrm{727}}^1\times {\mathrm{47933}}^1$

素因数の和:48679

約数の個数: 40

約数和(自身を含む): 33779281536

約数和(自身を除く): 14020867539

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 727, 2181, 5089, 6543, 15267, 19629, 45801, 47933, 58887, 137403, 143799, 335531, 412209, 431397, 1006593, 1294191, 3019779, 3882573, 9059337, 27178011, 34847291, 104541873, 243931037, 313625619, 731793111, 940876857, 2195379333, 2822630571, 6586137999, 19758413997]

約数ペア:

[(1, 19758413997), (3, 6586137999), (7, 2822630571), (9, 2195379333), (21, 940876857), (27, 731793111), (63, 313625619), (81, 243931037), (189, 104541873), (567, 34847291), (727, 27178011), (2181, 9059337), (5089, 3882573), (6543, 3019779), (15267, 1294191), (19629, 1006593), (45801, 431397), (47933, 412209), (58887, 335531), (137403, 143799)]