67864671

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1087}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 112246784

約数和(自身を除く): 44382113

約数列:

[1, 3, 7, 9, 21, 63, 991, 1087, 2973, 3261, 6937, 7609, 8919, 9783, 20811, 22827, 62433, 68481, 1077217, 3231651, 7540519, 9694953, 22621557, 67864671]

約数ペア:

[(1, 67864671), (3, 22621557), (7, 9694953), (9, 7540519), (21, 3231651), (63, 1077217), (991, 68481), (1087, 62433), (2973, 22827), (3261, 20811), (6937, 9783), (7609, 8919)]