81891090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{909901}}^1$

素因数の和:909914

約数の個数: 24

約数和(自身を含む): 212917068

約数和(自身を除く): 131025978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 909901, 1819802, 2729703, 4549505, 5459406, 8189109, 9099010, 13648515, 16378218, 27297030, 40945545, 81891090]

約数ペア:

[(1, 81891090), (2, 40945545), (3, 27297030), (5, 16378218), (6, 13648515), (9, 9099010), (10, 8189109), (15, 5459406), (18, 4549505), (30, 2729703), (45, 1819802), (90, 909901)]