17964747

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1334

約数の個数: 28

約数和(自身を含む): 28374280

約数和(自身を除く): 10409533

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1297, 1539, 3891, 4617, 11673, 13851, 24643, 35019, 73929, 105057, 221787, 315171, 665361, 945513, 1996083, 5988249, 17964747]

約数ペア:

[(1, 17964747), (3, 5988249), (9, 1996083), (19, 945513), (27, 665361), (57, 315171), (81, 221787), (171, 105057), (243, 73929), (513, 35019), (729, 24643), (1297, 13851), (1539, 11673), (3891, 4617)]