56440071

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{13147}}^1$

素因数の和:13212

約数の個数: 20

約数和(自身を含む): 85909032

約数和(自身を除く): 29468961

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 13147, 39441, 118323, 354969, 696791, 1064907, 2090373, 6271119, 18813357, 56440071]

約数ペア:

[(1, 56440071), (3, 18813357), (9, 6271119), (27, 2090373), (53, 1064907), (81, 696791), (159, 354969), (477, 118323), (1431, 39441), (4293, 13147)]