12648705

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 21022848

約数和(自身を除く): 8374143

約数列:

[1, 3, 5, 15, 41, 123, 131, 157, 205, 393, 471, 615, 655, 785, 1965, 2355, 5371, 6437, 16113, 19311, 20567, 26855, 32185, 61701, 80565, 96555, 102835, 308505, 843247, 2529741, 4216235, 12648705]

約数ペア:

[(1, 12648705), (3, 4216235), (5, 2529741), (15, 843247), (41, 308505), (123, 102835), (131, 96555), (157, 80565), (205, 61701), (393, 32185), (471, 26855), (615, 20567), (655, 19311), (785, 16113), (1965, 6437), (2355, 5371)]