78876801

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{21017}}^1$

素因数の和:21165

約数の個数: 16

約数和(自身を含む): 117700800

約数和(自身を除く): 38823999

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 21017, 63051, 189153, 567459, 2921363, 8764089, 26292267, 78876801]

約数ペア:

[(1, 78876801), (3, 26292267), (9, 8764089), (27, 2921363), (139, 567459), (417, 189153), (1251, 63051), (3753, 21017)]