397173699

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{377183}}^1$

素因数の和:377208

約数の個数: 20

約数和(自身を含む): 638949696

約数和(自身を除く): 241775997

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 377183, 1131549, 3394647, 4903379, 10183941, 14710137, 30551823, 44130411, 132391233, 397173699]

約数ペア:

[(1, 397173699), (3, 132391233), (9, 44130411), (13, 30551823), (27, 14710137), (39, 10183941), (81, 4903379), (117, 3394647), (351, 1131549), (1053, 377183)]