81861329

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6421}}^1$

素因数の和:6512

約数の個数: 16

約数和(自身を含む): 95559360

約数和(自身を除く): 13698031

約数列:

[1, 11, 19, 61, 209, 671, 1159, 6421, 12749, 70631, 121999, 391681, 1341989, 4308491, 7441939, 81861329]

約数ペア:

[(1, 81861329), (11, 7441939), (19, 4308491), (61, 1341989), (209, 391681), (671, 121999), (1159, 70631), (6421, 12749)]