7986519

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2348

約数の個数: 20

約数和(自身を含む): 12213256

約数和(自身を除く): 4226737

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2293, 3483, 6879, 20637, 61911, 98599, 185733, 295797, 887391, 2662173, 7986519]

約数ペア:

[(1, 7986519), (3, 2662173), (9, 887391), (27, 295797), (43, 185733), (81, 98599), (129, 61911), (387, 20637), (1161, 6879), (2293, 3483)]