81216090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{902401}}^1$

素因数の和:902414

約数の個数: 24

約数和(自身を含む): 211162068

約数和(自身を除く): 129945978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 902401, 1804802, 2707203, 4512005, 5414406, 8121609, 9024010, 13536015, 16243218, 27072030, 40608045, 81216090]

約数ペア:

[(1, 81216090), (2, 40608045), (3, 27072030), (5, 16243218), (6, 13536015), (9, 9024010), (10, 8121609), (15, 5414406), (18, 4512005), (30, 2707203), (45, 1804802), (90, 902401)]