40649655

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 67209408

約数和(自身を除く): 26559753

約数列:

[1, 3, 5, 15, 41, 123, 157, 205, 421, 471, 615, 785, 1263, 2105, 2355, 6315, 6437, 17261, 19311, 32185, 51783, 66097, 86305, 96555, 198291, 258915, 330485, 991455, 2709977, 8129931, 13549885, 40649655]

約数ペア:

[(1, 40649655), (3, 13549885), (5, 8129931), (15, 2709977), (41, 991455), (123, 330485), (157, 258915), (205, 198291), (421, 96555), (471, 86305), (615, 66097), (785, 51783), (1263, 32185), (2105, 19311), (2355, 17261), (6315, 6437)]