12153219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7247}}^1$

素因数の和:7306

約数の個数: 16

約数和(自身を含む): 17859072

約数和(自身を除く): 5705853

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 7247, 21741, 94211, 282633, 311621, 934863, 4051073, 12153219]

約数ペア:

[(1, 12153219), (3, 4051073), (13, 934863), (39, 311621), (43, 282633), (129, 94211), (559, 21741), (1677, 7247)]