31913277

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 16678083

約数列:

[1, 3, 11, 33, 37, 59, 111, 177, 407, 443, 649, 1221, 1329, 1947, 2183, 4873, 6549, 14619, 16391, 24013, 26137, 49173, 72039, 78411, 180301, 287507, 540903, 862521, 967069, 2901207, 10637759, 31913277]

約数ペア:

[(1, 31913277), (3, 10637759), (11, 2901207), (33, 967069), (37, 862521), (59, 540903), (111, 287507), (177, 180301), (407, 78411), (443, 72039), (649, 49173), (1221, 26137), (1329, 24013), (1947, 16391), (2183, 14619), (4873, 6549)]