12641337

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 18839808

約数和(自身を除く): 6198471

約数列:

[1, 3, 9, 71, 73, 213, 219, 271, 639, 657, 813, 2439, 5183, 15549, 19241, 19783, 46647, 57723, 59349, 173169, 178047, 1404593, 4213779, 12641337]

約数ペア:

[(1, 12641337), (3, 4213779), (9, 1404593), (71, 178047), (73, 173169), (213, 59349), (219, 57723), (271, 46647), (639, 19783), (657, 19241), (813, 15549), (2439, 5183)]