682665

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 1109376

約数和(自身を除く): 426711

約数列:

[1, 3, 5, 15, 71, 213, 355, 641, 1065, 1923, 3205, 9615, 45511, 136533, 227555, 682665]

約数ペア:

[(1, 682665), (3, 227555), (5, 136533), (15, 45511), (71, 9615), (213, 3205), (355, 1923), (641, 1065)]