261720111

素因数分解:

$3^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 362095024

約数和(自身を除く): 100374913

約数列:

[1, 3, 47, 73, 141, 219, 541, 1623, 2209, 3431, 6627, 10293, 25427, 39493, 76281, 118479, 161257, 483771, 1195069, 1856171, 3585207, 5568513, 87240037, 261720111]

約数ペア:

[(1, 261720111), (3, 87240037), (47, 5568513), (73, 3585207), (141, 1856171), (219, 1195069), (541, 483771), (1623, 161257), (2209, 118479), (3431, 76281), (6627, 39493), (10293, 25427)]