31642641

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 48387456

約数和(自身を除く): 16744815

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 2153, 4899, 6459, 14697, 19377, 49519, 148557, 152863, 445671, 458589, 1375767, 3515849, 10547547, 31642641]

約数ペア:

[(1, 31642641), (3, 10547547), (9, 3515849), (23, 1375767), (69, 458589), (71, 445671), (207, 152863), (213, 148557), (639, 49519), (1633, 19377), (2153, 14697), (4899, 6459)]