81140157

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5881}}^1$

素因数の和:5970

約数の個数: 32

約数和(自身を含む): 139285760

約数和(自身を除く): 58145603

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 4599, 5881, 13797, 17643, 41167, 52929, 123501, 158787, 370503, 429313, 1111509, 1287939, 3005191, 3863817, 9015573, 11591451, 27046719, 81140157]

約数ペア:

[(1, 81140157), (3, 27046719), (7, 11591451), (9, 9015573), (21, 3863817), (27, 3005191), (63, 1287939), (73, 1111509), (189, 429313), (219, 370503), (511, 158787), (657, 123501), (1533, 52929), (1971, 41167), (4599, 17643), (5881, 13797)]