397492731

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{342371}}^1$

素因数の和:342423

約数の個数: 16

約数和(自身を含む): 602574720

約数和(自身を除く): 205081989

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 342371, 1027113, 3081339, 9244017, 14721953, 44165859, 132497577, 397492731]

約数ペア:

[(1, 397492731), (3, 132497577), (9, 44165859), (27, 14721953), (43, 9244017), (129, 3081339), (387, 1027113), (1161, 342371)]