1772847

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 20

約数和(自身を含む): 2715240

約数和(自身を除く): 942393

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 509, 1161, 1527, 3483, 4581, 13743, 21887, 41229, 65661, 196983, 590949, 1772847]

約数ペア:

[(1, 1772847), (3, 590949), (9, 196983), (27, 65661), (43, 41229), (81, 21887), (129, 13743), (387, 4581), (509, 3483), (1161, 1527)]