6481881

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 10792704

約数和(自身を除く): 4310823

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 751, 959, 1233, 2253, 2877, 5257, 6759, 8631, 15771, 47313, 102887, 308661, 720209, 925983, 2160627, 6481881]

約数ペア:

[(1, 6481881), (3, 2160627), (7, 925983), (9, 720209), (21, 308661), (63, 102887), (137, 47313), (411, 15771), (751, 8631), (959, 6759), (1233, 5257), (2253, 2877)]