31311489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7243}}^1$

素因数の和:7388

約数の個数: 16

約数和(自身を含む): 45897984

約数和(自身を除く): 14586495

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 7243, 21729, 79673, 239019, 948833, 2846499, 10437163, 31311489]

約数ペア:

[(1, 31311489), (3, 10437163), (11, 2846499), (33, 948833), (131, 239019), (393, 79673), (1441, 21729), (4323, 7243)]