68481819

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{10159}}^1$

素因数の和:10279

約数の個数: 24

約数和(自身を含む): 114117120

約数和(自身を除く): 45635301

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 10159, 30477, 71113, 91431, 213339, 640017, 1087013, 3261039, 7609091, 9783117, 22827273, 68481819]

約数ペア:

[(1, 68481819), (3, 22827273), (7, 9783117), (9, 7609091), (21, 3261039), (63, 1087013), (107, 640017), (321, 213339), (749, 91431), (963, 71113), (2247, 30477), (6741, 10159)]