66426561

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{5431}}^1$

素因数の和:5594

約数の個数: 20

約数和(自身を含む): 99905344

約数和(自身を除く): 33478783

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 5431, 12231, 16293, 48879, 146637, 439911, 820081, 2460243, 7380729, 22142187, 66426561]

約数ペア:

[(1, 66426561), (3, 22142187), (9, 7380729), (27, 2460243), (81, 820081), (151, 439911), (453, 146637), (1359, 48879), (4077, 16293), (5431, 12231)]