71531343

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67931}}^1$

素因数の和:67956

約数の個数: 20

約数和(自身を含む): 115076808

約数和(自身を除く): 43545465

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 67931, 203793, 611379, 883103, 1834137, 2649309, 5502411, 7947927, 23843781, 71531343]

約数ペア:

[(1, 71531343), (3, 23843781), (9, 7947927), (13, 5502411), (27, 2649309), (39, 1834137), (81, 883103), (117, 611379), (351, 203793), (1053, 67931)]