31878981

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{9013}}^1$

素因数の和:9153

約数の個数: 16

約数和(自身を含む): 47593920

約数和(自身を除く): 15714939

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 9013, 27039, 81117, 243351, 1180703, 3542109, 10626327, 31878981]

約数ペア:

[(1, 31878981), (3, 10626327), (9, 3542109), (27, 1180703), (131, 243351), (393, 81117), (1179, 27039), (3537, 9013)]