81493305

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{49843}}^1$

素因数の和:49960

約数の個数: 16

約数和(自身を含む): 131588160

約数和(自身を除く): 50094855

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 49843, 149529, 249215, 747645, 5432887, 16298661, 27164435, 81493305]

約数ペア:

[(1, 81493305), (3, 27164435), (5, 16298661), (15, 5432887), (109, 747645), (327, 249215), (545, 149529), (1635, 49843)]