77407209

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{71081}}^1$

素因数の和:71109

約数の個数: 18

約数和(自身を含む): 122900778

約数和(自身を除く): 45493569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 71081, 213243, 639729, 781891, 2345673, 7037019, 8600801, 25802403, 77407209]

約数ペア:

[(1, 77407209), (3, 25802403), (9, 8600801), (11, 7037019), (33, 2345673), (99, 781891), (121, 639729), (363, 213243), (1089, 71081)]