31978023

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138433}}^1$

素因数の和:138454

約数の個数: 16

約数和(自身を含む): 53158656

約数和(自身を除く): 21180633

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 138433, 415299, 969031, 1522763, 2907093, 4568289, 10659341, 31978023]

約数ペア:

[(1, 31978023), (3, 10659341), (7, 4568289), (11, 2907093), (21, 1522763), (33, 969031), (77, 415299), (231, 138433)]