78877719

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{6449}}^1$

素因数の和:6612

約数の個数: 20

約数和(自身を含む): 118628400

約数和(自身を除く): 39750681

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 6449, 12231, 19347, 58041, 174123, 522369, 973799, 2921397, 8764191, 26292573, 78877719]

約数ペア:

[(1, 78877719), (3, 26292573), (9, 8764191), (27, 2921397), (81, 973799), (151, 522369), (453, 174123), (1359, 58041), (4077, 19347), (6449, 12231)]