80149743

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{6553}}^1$

素因数の和:6716

約数の個数: 20

約数和(自身を含む): 120541168

約数和(自身を除く): 40391425

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 6553, 12231, 19659, 58977, 176931, 530793, 989503, 2968509, 8905527, 26716581, 80149743]

約数ペア:

[(1, 80149743), (3, 26716581), (9, 8905527), (27, 2968509), (81, 989503), (151, 530793), (453, 176931), (1359, 58977), (4077, 19659), (6553, 12231)]