777779421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{28019}}^1$

素因数の和:28528

約数の個数: 16

約数和(自身を含む): 1093900800

約数和(自身を除く): 316121379

約数列:

[1, 3, 19, 57, 487, 1461, 9253, 27759, 28019, 84057, 532361, 1597083, 13645253, 40935759, 259259807, 777779421]

約数ペア:

[(1, 777779421), (3, 259259807), (19, 40935759), (57, 13645253), (487, 1597083), (1461, 532361), (9253, 84057), (27759, 28019)]