720439551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{6157603}}^1$

素因数の和:6157622

約数の個数: 12

約数和(自身を含む): 1120683928

約数和(自身を除く): 400244377

約数列:

[1, 3, 9, 13, 39, 117, 6157603, 18472809, 55418427, 80048839, 240146517, 720439551]

約数ペア:

[(1, 720439551), (3, 240146517), (9, 80048839), (13, 55418427), (39, 18472809), (117, 6157603)]