131036787

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109471}}^1$

素因数の和:109503

約数の個数: 24

約数和(自身を含む): 227701760

約数和(自身を除く): 96664973

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 109471, 328413, 766297, 985239, 2079949, 2298891, 6239847, 6896673, 14559643, 18719541, 43678929, 131036787]

約数ペア:

[(1, 131036787), (3, 43678929), (7, 18719541), (9, 14559643), (19, 6896673), (21, 6239847), (57, 2298891), (63, 2079949), (133, 985239), (171, 766297), (399, 328413), (1197, 109471)]