16886541

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 26810368

約数和(自身を除く): 9923827

約数列:

[1, 3, 7, 21, 37, 103, 111, 211, 259, 309, 633, 721, 777, 1477, 2163, 3811, 4431, 7807, 11433, 21733, 23421, 26677, 54649, 65199, 80031, 152131, 163947, 456393, 804121, 2412363, 5628847, 16886541]

約数ペア:

[(1, 16886541), (3, 5628847), (7, 2412363), (21, 804121), (37, 456393), (103, 163947), (111, 152131), (211, 80031), (259, 65199), (309, 54649), (633, 26677), (721, 23421), (777, 21733), (1477, 11433), (2163, 7807), (3811, 4431)]