20161467

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 31253040

約数和(自身を除く): 11091573

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2861, 7047, 8583, 25749, 77247, 82969, 231741, 248907, 695223, 746721, 2240163, 6720489, 20161467]

約数ペア:

[(1, 20161467), (3, 6720489), (9, 2240163), (27, 746721), (29, 695223), (81, 248907), (87, 231741), (243, 82969), (261, 77247), (783, 25749), (2349, 8583), (2861, 7047)]