12728703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8821}}^1$

素因数の和:8874

約数の個数: 16

約数和(自身を含む): 18773216

約数和(自身を除く): 6044513

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 8821, 26463, 114673, 326377, 344019, 979131, 4242901, 12728703]

約数ペア:

[(1, 12728703), (3, 4242901), (13, 979131), (37, 344019), (39, 326377), (111, 114673), (481, 26463), (1443, 8821)]