161811555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{1013}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 271005696

約数和(自身を除く): 109194141

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 463, 1013, 1389, 2315, 3039, 5065, 6945, 10649, 15195, 23299, 31947, 53245, 69897, 116495, 159735, 349485, 469019, 1407057, 2345095, 7035285, 10787437, 32362311, 53937185, 161811555]

約数ペア:

[(1, 161811555), (3, 53937185), (5, 32362311), (15, 10787437), (23, 7035285), (69, 2345095), (115, 1407057), (345, 469019), (463, 349485), (1013, 159735), (1389, 116495), (2315, 69897), (3039, 53245), (5065, 31947), (6945, 23299), (10649, 15195)]