81023895

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5407}}^1$

素因数の和:5461

約数の個数: 40

約数和(自身を含む): 149195904

約数和(自身を除く): 68172009

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1665, 2997, 4995, 5407, 14985, 16221, 27035, 48663, 81105, 145989, 200059, 243315, 437967, 600177, 729945, 1000295, 1800531, 2189835, 3000885, 5401593, 9002655, 16204779, 27007965, 81023895]

約数ペア:

[(1, 81023895), (3, 27007965), (5, 16204779), (9, 9002655), (15, 5401593), (27, 3000885), (37, 2189835), (45, 1800531), (81, 1000295), (111, 729945), (135, 600177), (185, 437967), (333, 243315), (405, 200059), (555, 145989), (999, 81105), (1665, 48663), (2997, 27035), (4995, 16221), (5407, 14985)]