81420615

素因数分解:

$3^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1931}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 141352848

約数和(自身を除く): 59932233

約数列:

[1, 3, 5, 9, 15, 45, 937, 1931, 2811, 4685, 5793, 8433, 9655, 14055, 17379, 28965, 42165, 86895, 1809347, 5428041, 9046735, 16284123, 27140205, 81420615]

約数ペア:

[(1, 81420615), (3, 27140205), (5, 16284123), (9, 9046735), (15, 5428041), (45, 1809347), (937, 86895), (1931, 42165), (2811, 28965), (4685, 17379), (5793, 14055), (8433, 9655)]