217020417

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{6571}}^1$

素因数の和:6784

約数の個数: 16

約数和(自身を含む): 294951360

約数和(自身を除く): 77930943

約数列:

[1, 3, 101, 109, 303, 327, 6571, 11009, 19713, 33027, 663671, 716239, 1991013, 2148717, 72340139, 217020417]

約数ペア:

[(1, 217020417), (3, 72340139), (101, 2148717), (109, 1991013), (303, 716239), (327, 663671), (6571, 33027), (11009, 19713)]