30681981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7559}}^1$

素因数の和:7617

約数の個数: 24

約数和(自身を含む): 49533120

約数和(自身を除く): 18851139

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 7559, 22677, 68031, 83149, 249447, 309919, 748341, 929757, 2789271, 3409109, 10227327, 30681981]

約数ペア:

[(1, 30681981), (3, 10227327), (9, 3409109), (11, 2789271), (33, 929757), (41, 748341), (99, 309919), (123, 249447), (369, 83149), (451, 68031), (1353, 22677), (4059, 7559)]