81501765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{701}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 136670976

約数和(自身を除く): 55169211

約数列:

[1, 3, 5, 15, 23, 69, 115, 337, 345, 701, 1011, 1685, 2103, 3505, 5055, 7751, 10515, 16123, 23253, 38755, 48369, 80615, 116265, 236237, 241845, 708711, 1181185, 3543555, 5433451, 16300353, 27167255, 81501765]

約数ペア:

[(1, 81501765), (3, 27167255), (5, 16300353), (15, 5433451), (23, 3543555), (69, 1181185), (115, 708711), (337, 241845), (345, 236237), (701, 116265), (1011, 80615), (1685, 48369), (2103, 38755), (3505, 23253), (5055, 16123), (7751, 10515)]