31895289

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{3823}}^1$

素因数の和:3938

約数の個数: 20

約数和(自身を含む): 48121216

約数和(自身を除く): 16225927

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 3823, 8343, 11469, 34407, 103221, 309663, 393769, 1181307, 3543921, 10631763, 31895289]

約数ペア:

[(1, 31895289), (3, 10631763), (9, 3543921), (27, 1181307), (81, 393769), (103, 309663), (309, 103221), (927, 34407), (2781, 11469), (3823, 8343)]