247056285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7882

約数の個数: 48

約数和(自身を含む): 470581056

約数和(自身を除く): 223524771

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 4515, 6321, 7817, 10535, 23451, 31605, 39085, 54719, 117255, 164157, 273595, 336131, 383033, 820785, 1008393, 1149099, 1680655, 1915165, 2352917, 5041965, 5745495, 7058751, 11764585, 16470419, 35293755, 49411257, 82352095, 247056285]

約数ペア:

[(1, 247056285), (3, 82352095), (5, 49411257), (7, 35293755), (15, 16470419), (21, 11764585), (35, 7058751), (43, 5745495), (49, 5041965), (105, 2352917), (129, 1915165), (147, 1680655), (215, 1149099), (245, 1008393), (301, 820785), (645, 383033), (735, 336131), (903, 273595), (1505, 164157), (2107, 117255), (4515, 54719), (6321, 39085), (7817, 31605), (10535, 23451)]