2197773

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 20

約数和(自身を含む): 3364768

約数和(自身を除く): 1166995

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 631, 1161, 1893, 3483, 5679, 17037, 27133, 51111, 81399, 244197, 732591, 2197773]

約数ペア:

[(1, 2197773), (3, 732591), (9, 244197), (27, 81399), (43, 51111), (81, 27133), (129, 17037), (387, 5679), (631, 3483), (1161, 1893)]