131438403

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 198548480

約数和(自身を除く): 67110077

約数列:

[1, 3, 9, 27, 103, 151, 309, 313, 453, 927, 939, 1359, 2781, 2817, 4077, 8451, 15553, 32239, 46659, 47263, 96717, 139977, 141789, 290151, 419931, 425367, 870453, 1276101, 4868089, 14604267, 43812801, 131438403]

約数ペア:

[(1, 131438403), (3, 43812801), (9, 14604267), (27, 4868089), (103, 1276101), (151, 870453), (309, 425367), (313, 419931), (453, 290151), (927, 141789), (939, 139977), (1359, 96717), (2781, 47263), (2817, 46659), (4077, 32239), (8451, 15553)]