28182945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1931}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 23749215

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1931, 2085, 2919, 4865, 5793, 9655, 13517, 14595, 28965, 40551, 67585, 202755, 268409, 805227, 1342045, 1878863, 4026135, 5636589, 9394315, 28182945]

約数ペア:

[(1, 28182945), (3, 9394315), (5, 5636589), (7, 4026135), (15, 1878863), (21, 1342045), (35, 805227), (105, 268409), (139, 202755), (417, 67585), (695, 40551), (973, 28965), (1931, 14595), (2085, 13517), (2919, 9655), (4865, 5793)]