6666621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3637}}^1$

素因数の和:3700

約数の個数: 16

約数和(自身を含む): 9778944

約数和(自身を除く): 3112323

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 3637, 10911, 47281, 141843, 170939, 512817, 2222207, 6666621]

約数ペア:

[(1, 6666621), (3, 2222207), (13, 512817), (39, 170939), (47, 141843), (141, 47281), (611, 10911), (1833, 3637)]