31008327

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 48788352

約数和(自身を除く): 17780025

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 2971, 3479, 8913, 10437, 20797, 62391, 145579, 210941, 436737, 632823, 1476587, 4429761, 10336109, 31008327]

約数ペア:

[(1, 31008327), (3, 10336109), (7, 4429761), (21, 1476587), (49, 632823), (71, 436737), (147, 210941), (213, 145579), (497, 62391), (1491, 20797), (2971, 10437), (3479, 8913)]