31176981

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{3181}}^1$

素因数の和:3215

約数の個数: 30

約数和(自身を含む): 51207926

約数和(自身を除く): 20030945

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 3181, 3267, 9543, 9801, 28629, 34991, 85887, 104973, 257661, 314919, 384901, 944757, 1154703, 2834271, 3464109, 10392327, 31176981]

約数ペア:

[(1, 31176981), (3, 10392327), (9, 3464109), (11, 2834271), (27, 1154703), (33, 944757), (81, 384901), (99, 314919), (121, 257661), (297, 104973), (363, 85887), (891, 34991), (1089, 28629), (3181, 9801), (3267, 9543)]