12740895

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 23098416

約数和(自身を除く): 10357521

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 193, 405, 489, 579, 815, 965, 1467, 1737, 2445, 2895, 4401, 5211, 7335, 8685, 13203, 15633, 22005, 26055, 31459, 66015, 78165, 94377, 157295, 283131, 471885, 849393, 1415655, 2548179, 4246965, 12740895]

約数ペア:

[(1, 12740895), (3, 4246965), (5, 2548179), (9, 1415655), (15, 849393), (27, 471885), (45, 283131), (81, 157295), (135, 94377), (163, 78165), (193, 66015), (405, 31459), (489, 26055), (579, 22005), (815, 15633), (965, 13203), (1467, 8685), (1737, 7335), (2445, 5211), (2895, 4401)]