68847559

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 78336000

約数和(自身を除く): 9488441

約数列:

[1, 11, 31, 101, 341, 1111, 1999, 3131, 21989, 34441, 61969, 201899, 681659, 2220889, 6258869, 68847559]

約数ペア:

[(1, 68847559), (11, 6258869), (31, 2220889), (101, 681659), (341, 201899), (1111, 61969), (1999, 34441), (3131, 21989)]