57123819

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 87649280

約数和(自身を除く): 30525461

約数列:

[1, 3, 9, 27, 37, 111, 211, 271, 333, 633, 813, 999, 1899, 2439, 5697, 7317, 7807, 10027, 23421, 30081, 57181, 70263, 90243, 171543, 210789, 270729, 514629, 1543887, 2115697, 6347091, 19041273, 57123819]

約数ペア:

[(1, 57123819), (3, 19041273), (9, 6347091), (27, 2115697), (37, 1543887), (111, 514629), (211, 270729), (271, 210789), (333, 171543), (633, 90243), (813, 70263), (999, 57181), (1899, 30081), (2439, 23421), (5697, 10027), (7317, 7807)]