57978891

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{22291}}^1$

素因数の和:22331

約数の個数: 18

約数和(自身を含む): 88967372

約数和(自身を除く): 30988481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 22291, 66873, 200619, 378947, 1136841, 3410523, 6442099, 19326297, 57978891]

約数ペア:

[(1, 57978891), (3, 19326297), (9, 6442099), (17, 3410523), (51, 1136841), (153, 378947), (289, 200619), (867, 66873), (2601, 22291)]