66993561

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{1867}}^1$

素因数の和:2322

約数の個数: 20

約数和(自身を含む): 100356432

約数和(自身を除く): 33362871

約数列:

[1, 3, 9, 27, 81, 443, 1329, 1867, 3987, 5601, 11961, 16803, 35883, 50409, 151227, 827081, 2481243, 7443729, 22331187, 66993561]

約数ペア:

[(1, 66993561), (3, 22331187), (9, 7443729), (27, 2481243), (81, 827081), (443, 151227), (1329, 50409), (1867, 35883), (3987, 16803), (5601, 11961)]