12209205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 20883456

約数和(自身を除く): 8674251

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 823, 989, 2469, 2967, 4115, 4945, 12345, 14835, 18929, 35389, 56787, 94645, 106167, 176945, 283935, 530835, 813947, 2441841, 4069735, 12209205]

約数ペア:

[(1, 12209205), (3, 4069735), (5, 2441841), (15, 813947), (23, 530835), (43, 283935), (69, 176945), (115, 106167), (129, 94645), (215, 56787), (345, 35389), (645, 18929), (823, 14835), (989, 12345), (2469, 4945), (2967, 4115)]