12728859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29671}}^1$

素因数の和:29698

約数の個数: 16

約数和(自身を含む): 19939584

約数和(自身を除く): 7210725

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 29671, 89013, 326381, 385723, 979143, 1157169, 4242953, 12728859]

約数ペア:

[(1, 12728859), (3, 4242953), (11, 1157169), (13, 979143), (33, 385723), (39, 326381), (143, 89013), (429, 29671)]