7172745

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 11975040

約数和(自身を除く): 4802295

約数列:

[1, 3, 5, 15, 41, 107, 109, 123, 205, 321, 327, 535, 545, 615, 1605, 1635, 4387, 4469, 11663, 13161, 13407, 21935, 22345, 34989, 58315, 65805, 67035, 174945, 478183, 1434549, 2390915, 7172745]

約数ペア:

[(1, 7172745), (3, 2390915), (5, 1434549), (15, 478183), (41, 174945), (107, 67035), (109, 65805), (123, 58315), (205, 34989), (321, 22345), (327, 21935), (535, 13407), (545, 13161), (615, 11663), (1605, 4469), (1635, 4387)]