2013121071

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1323551}}^1$

素因数の和:1323583

約数の個数: 18

約数和(自身を含む): 3148730208

約数和(自身を除く): 1135609137

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1323551, 3970653, 11911959, 17206163, 51618489, 154855467, 223680119, 671040357, 2013121071]

約数ペア:

[(1, 2013121071), (3, 671040357), (9, 223680119), (13, 154855467), (39, 51618489), (117, 17206163), (169, 11911959), (507, 3970653), (1521, 1323551)]