81891630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{909907}}^1$

素因数の和:909920

約数の個数: 24

約数和(自身を含む): 212918472

約数和(自身を除く): 131026842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 909907, 1819814, 2729721, 4549535, 5459442, 8189163, 9099070, 13648605, 16378326, 27297210, 40945815, 81891630]

約数ペア:

[(1, 81891630), (2, 40945815), (3, 27297210), (5, 16378326), (6, 13648605), (9, 9099070), (10, 8189163), (15, 5459442), (18, 4549535), (30, 2729721), (45, 1819814), (90, 909907)]