12903219

素因数分解:

$3^4\times 7^2\times {\mathrm{3251}}^1$

素因数の和:3277

約数の個数: 30

約数和(自身を含む): 22429044

約数和(自身を除く): 9525825

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3251, 3969, 9753, 22757, 29259, 68271, 87777, 159299, 204813, 263331, 477897, 614439, 1433691, 1843317, 4301073, 12903219]

約数ペア:

[(1, 12903219), (3, 4301073), (7, 1843317), (9, 1433691), (21, 614439), (27, 477897), (49, 263331), (63, 204813), (81, 159299), (147, 87777), (189, 68271), (441, 29259), (567, 22757), (1323, 9753), (3251, 3969)]