31392279

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{9013}}^1$

素因数の和:9068

約数の個数: 20

約数和(自身を含む): 47990536

約数和(自身を除く): 16598257

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 9013, 27039, 81117, 243351, 387559, 730053, 1162677, 3488031, 10464093, 31392279]

約数ペア:

[(1, 31392279), (3, 10464093), (9, 3488031), (27, 1162677), (43, 730053), (81, 387559), (129, 243351), (387, 81117), (1161, 27039), (3483, 9013)]