123516729

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{17987}}^1$

素因数の和:18109

約数の個数: 24

約数和(自身を含む): 205782720

約数和(自身を除く): 82265991

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 17987, 53961, 125909, 161883, 377727, 1133181, 1960583, 5881749, 13724081, 17645247, 41172243, 123516729]

約数ペア:

[(1, 123516729), (3, 41172243), (7, 17645247), (9, 13724081), (21, 5881749), (63, 1960583), (109, 1133181), (327, 377727), (763, 161883), (981, 125909), (2289, 53961), (6867, 17987)]