12873609

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 21432320

約数和(自身を除く): 8558711

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 1609, 2667, 4827, 8001, 11263, 14481, 33789, 101367, 204343, 613029, 1430401, 1839087, 4291203, 12873609]

約数ペア:

[(1, 12873609), (3, 4291203), (7, 1839087), (9, 1430401), (21, 613029), (63, 204343), (127, 101367), (381, 33789), (889, 14481), (1143, 11263), (1609, 8001), (2667, 4827)]