31427913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 17343159

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 517, 759, 881, 1081, 1551, 2643, 3243, 9691, 11891, 20263, 29073, 35673, 41407, 60789, 124221, 222893, 455477, 668679, 952361, 1366431, 2857083, 10475971, 31427913]

約数ペア:

[(1, 31427913), (3, 10475971), (11, 2857083), (23, 1366431), (33, 952361), (47, 668679), (69, 455477), (141, 222893), (253, 124221), (517, 60789), (759, 41407), (881, 35673), (1081, 29073), (1551, 20263), (2643, 11891), (3243, 9691)]