28803705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11927}}^1$

素因数の和:11965

約数の個数: 32

約数和(自身を含む): 54964224

約数和(自身を除く): 26160519

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11927, 35781, 59635, 83489, 178905, 250467, 274321, 417445, 822963, 1252335, 1371605, 1920247, 4114815, 5760741, 9601235, 28803705]

約数ペア:

[(1, 28803705), (3, 9601235), (5, 5760741), (7, 4114815), (15, 1920247), (21, 1371605), (23, 1252335), (35, 822963), (69, 417445), (105, 274321), (115, 250467), (161, 178905), (345, 83489), (483, 59635), (805, 35781), (2415, 11927)]