2021081271

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{13613}}^1$

素因数の和:14047

約数の個数: 24

約数和(自身を含む): 2969485680

約数和(自身を除く): 948404409

約数列:

[1, 3, 11, 33, 121, 363, 409, 1227, 4499, 13497, 13613, 40839, 49489, 148467, 149743, 449229, 1647173, 4941519, 5567717, 16703151, 61244887, 183734661, 673693757, 2021081271]

約数ペア:

[(1, 2021081271), (3, 673693757), (11, 183734661), (33, 61244887), (121, 16703151), (363, 5567717), (409, 4941519), (1227, 1647173), (4499, 449229), (13497, 149743), (13613, 148467), (40839, 49489)]