2199729

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 3495360

約数和(自身を除く): 1295631

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 327, 651, 763, 961, 2289, 2883, 3379, 6727, 10137, 20181, 23653, 70959, 104749, 314247, 733243, 2199729]

約数ペア:

[(1, 2199729), (3, 733243), (7, 314247), (21, 104749), (31, 70959), (93, 23653), (109, 20181), (217, 10137), (327, 6727), (651, 3379), (763, 2883), (961, 2289)]