1219005

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 2141568

約数和(自身を除く): 922563

約数列:

[1, 3, 5, 9, 15, 45, 103, 263, 309, 515, 789, 927, 1315, 1545, 2367, 3945, 4635, 11835, 27089, 81267, 135445, 243801, 406335, 1219005]

約数ペア:

[(1, 1219005), (3, 406335), (5, 243801), (9, 135445), (15, 81267), (45, 27089), (103, 11835), (263, 4635), (309, 3945), (515, 2367), (789, 1545), (927, 1315)]