257427981

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{773057}}^1$

素因数の和:773100

約数の個数: 12

約数和(自身を含む): 381890652

約数和(自身を除く): 124462671

約数列:

[1, 3, 9, 37, 111, 333, 773057, 2319171, 6957513, 28603109, 85809327, 257427981]

約数ペア:

[(1, 257427981), (3, 85809327), (9, 28603109), (37, 6957513), (111, 2319171), (333, 773057)]