81721146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33797}}^1$

素因数の和:33846

約数の個数: 32

約数和(自身を含む): 181698048

約数和(自身を除く): 99976902

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 33797, 67594, 101391, 202782, 439361, 878722, 1047707, 1318083, 2095414, 2636166, 3143121, 6286242, 13620191, 27240382, 40860573, 81721146]

約数ペア:

[(1, 81721146), (2, 40860573), (3, 27240382), (6, 13620191), (13, 6286242), (26, 3143121), (31, 2636166), (39, 2095414), (62, 1318083), (78, 1047707), (93, 878722), (186, 439361), (403, 202782), (806, 101391), (1209, 67594), (2418, 33797)]