131840217

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{34631}}^1$

素因数の和:34690

約数の個数: 20

約数和(自身を含む): 201142656

約数和(自身を除く): 69302439

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 34631, 103893, 311679, 935037, 1627657, 2805111, 4882971, 14648913, 43946739, 131840217]

約数ペア:

[(1, 131840217), (3, 43946739), (9, 14648913), (27, 4882971), (47, 2805111), (81, 1627657), (141, 935037), (423, 311679), (1269, 103893), (3807, 34631)]