128604879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1307}}^1$

素因数の和:1384

約数の個数: 36

約数和(自身を含む): 207346776

約数和(自身を除く): 78741897

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 841, 1131, 1307, 2523, 3393, 3921, 7569, 10933, 11763, 16991, 32799, 37903, 50973, 98397, 113709, 152919, 341127, 492739, 1099187, 1478217, 3297561, 4434651, 9892683, 14289431, 42868293, 128604879]

約数ペア:

[(1, 128604879), (3, 42868293), (9, 14289431), (13, 9892683), (29, 4434651), (39, 3297561), (87, 1478217), (117, 1099187), (261, 492739), (377, 341127), (841, 152919), (1131, 113709), (1307, 98397), (2523, 50973), (3393, 37903), (3921, 32799), (7569, 16991), (10933, 11763)]