28256943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65867}}^1$

素因数の和:65894

約数の個数: 16

約数和(自身を含む): 44263296

約数和(自身を除く): 16006353

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 65867, 197601, 724537, 856271, 2173611, 2568813, 9418981, 28256943]

約数ペア:

[(1, 28256943), (3, 9418981), (11, 2568813), (13, 2173611), (33, 856271), (39, 724537), (143, 197601), (429, 65867)]