31804947

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 17132013

約数列:

[1, 3, 9, 27, 47, 71, 141, 213, 353, 423, 639, 1059, 1269, 1917, 3177, 3337, 9531, 10011, 16591, 25063, 30033, 49773, 75189, 90099, 149319, 225567, 447957, 676701, 1177961, 3533883, 10601649, 31804947]

約数ペア:

[(1, 31804947), (3, 10601649), (9, 3533883), (27, 1177961), (47, 676701), (71, 447957), (141, 225567), (213, 149319), (353, 90099), (423, 75189), (639, 49773), (1059, 30033), (1269, 25063), (1917, 16591), (3177, 10011), (3337, 9531)]