78864597

素因数分解:

$3^4\times 7^1\times {\mathrm{139091}}^1$

素因数の和:139110

約数の個数: 20

約数和(自身を含む): 134641056

約数和(自身を除く): 55776459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 139091, 417273, 973637, 1251819, 2920911, 3755457, 8762733, 11266371, 26288199, 78864597]

約数ペア:

[(1, 78864597), (3, 26288199), (7, 11266371), (9, 8762733), (21, 3755457), (27, 2920911), (63, 1251819), (81, 973637), (189, 417273), (567, 139091)]