77720505

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{72977}}^1$

素因数の和:73056

約数の個数: 16

約数和(自身を含む): 126105984

約数和(自身を除く): 48385479

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 72977, 218931, 364885, 1094655, 5181367, 15544101, 25906835, 77720505]

約数ペア:

[(1, 77720505), (3, 25906835), (5, 15544101), (15, 5181367), (71, 1094655), (213, 364885), (355, 218931), (1065, 72977)]