1561612209

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{3229}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 2237537280

約数和(自身を除く): 675925071

約数列:

[1, 3, 23, 43, 69, 129, 163, 489, 989, 2967, 3229, 3749, 7009, 9687, 11247, 21027, 74267, 138847, 161207, 222801, 416541, 483621, 526327, 1578981, 3193481, 9580443, 12105521, 22632061, 36316563, 67896183, 520537403, 1561612209]

約数ペア:

[(1, 1561612209), (3, 520537403), (23, 67896183), (43, 36316563), (69, 22632061), (129, 12105521), (163, 9580443), (489, 3193481), (989, 1578981), (2967, 526327), (3229, 483621), (3749, 416541), (7009, 222801), (9687, 161207), (11247, 138847), (21027, 74267)]