2809971

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 20

約数和(自身を含む): 4248552

約数和(自身を除く): 1438581

約数列:

[1, 3, 9, 27, 81, 113, 307, 339, 921, 1017, 2763, 3051, 8289, 9153, 24867, 34691, 104073, 312219, 936657, 2809971]

約数ペア:

[(1, 2809971), (3, 936657), (9, 312219), (27, 104073), (81, 34691), (113, 24867), (307, 9153), (339, 8289), (921, 3051), (1017, 2763)]