256937517

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{8941}}^1$

素因数の和:9081

約数の個数: 24

約数和(自身を含む): 386866688

約数和(自身を除く): 129929171

約数列:

[1, 3, 9, 31, 93, 103, 279, 309, 927, 3193, 8941, 9579, 26823, 28737, 80469, 277171, 831513, 920923, 2494539, 2762769, 8288307, 28548613, 85645839, 256937517]

約数ペア:

[(1, 256937517), (3, 85645839), (9, 28548613), (31, 8288307), (93, 2762769), (103, 2494539), (279, 920923), (309, 831513), (927, 277171), (3193, 80469), (8941, 28737), (9579, 26823)]