11990745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 22713600

約数和(自身を除く): 10722855

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 195, 199, 309, 515, 585, 597, 927, 995, 1339, 1545, 1791, 2587, 2985, 4017, 4635, 6695, 7761, 8955, 12051, 12935, 20085, 20497, 23283, 38805, 60255, 61491, 102485, 116415, 184473, 266461, 307455, 799383, 922365, 1332305, 2398149, 3996915, 11990745]

約数ペア:

[(1, 11990745), (3, 3996915), (5, 2398149), (9, 1332305), (13, 922365), (15, 799383), (39, 307455), (45, 266461), (65, 184473), (103, 116415), (117, 102485), (195, 61491), (199, 60255), (309, 38805), (515, 23283), (585, 20497), (597, 20085), (927, 12935), (995, 12051), (1339, 8955), (1545, 7761), (1791, 6695), (2587, 4635), (2985, 4017)]