12391743

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 21414400

約数和(自身を除く): 9022657

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2389, 5187, 7167, 16723, 31057, 45391, 50169, 93171, 136173, 217399, 317737, 590083, 652197, 953211, 1770249, 4130581, 12391743]

約数ペア:

[(1, 12391743), (3, 4130581), (7, 1770249), (13, 953211), (19, 652197), (21, 590083), (39, 317737), (57, 217399), (91, 136173), (133, 93171), (247, 50169), (273, 45391), (399, 31057), (741, 16723), (1729, 7167), (2389, 5187)]