8640063

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 13338000

約数和(自身を除く): 4697937

約数列:

[1, 3, 9, 17, 51, 149, 153, 379, 447, 1137, 1341, 2533, 3411, 6443, 7599, 19329, 22797, 56471, 57987, 169413, 508239, 960007, 2880021, 8640063]

約数ペア:

[(1, 8640063), (3, 2880021), (9, 960007), (17, 508239), (51, 169413), (149, 57987), (153, 56471), (379, 22797), (447, 19329), (1137, 7599), (1341, 6443), (2533, 3411)]