81898614

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{72221}}^1$

素因数の和:72242

約数の個数: 40

約数和(自身を含む): 209732688

約数和(自身を除く): 127834074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 72221, 144442, 216663, 433326, 505547, 649989, 1011094, 1299978, 1516641, 1949967, 3033282, 3899934, 4549923, 5849901, 9099846, 11699802, 13649769, 27299538, 40949307, 81898614]

約数ペア:

[(1, 81898614), (2, 40949307), (3, 27299538), (6, 13649769), (7, 11699802), (9, 9099846), (14, 5849901), (18, 4549923), (21, 3899934), (27, 3033282), (42, 1949967), (54, 1516641), (63, 1299978), (81, 1011094), (126, 649989), (162, 505547), (189, 433326), (378, 216663), (567, 144442), (1134, 72221)]