131540913

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 226237440

約数和(自身を除く): 94696527

約数列:

[1, 3, 7, 9, 21, 43, 59, 63, 129, 177, 301, 387, 413, 531, 823, 903, 1239, 2469, 2537, 2709, 3717, 5761, 7407, 7611, 17283, 17759, 22833, 35389, 48557, 51849, 53277, 106167, 145671, 159831, 247723, 318501, 339899, 437013, 743169, 1019697, 2087951, 2229507, 3059091, 6263853, 14615657, 18791559, 43846971, 131540913]

約数ペア:

[(1, 131540913), (3, 43846971), (7, 18791559), (9, 14615657), (21, 6263853), (43, 3059091), (59, 2229507), (63, 2087951), (129, 1019697), (177, 743169), (301, 437013), (387, 339899), (413, 318501), (531, 247723), (823, 159831), (903, 145671), (1239, 106167), (2469, 53277), (2537, 51849), (2709, 48557), (3717, 35389), (5761, 22833), (7407, 17759), (7611, 17283)]