31281243

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 49496064

約数和(自身を除く): 18214821

約数列:

[1, 3, 7, 21, 37, 111, 127, 259, 317, 381, 777, 889, 951, 2219, 2667, 4699, 6657, 11729, 14097, 32893, 35187, 40259, 82103, 98679, 120777, 246309, 281813, 845439, 1489583, 4468749, 10427081, 31281243]

約数ペア:

[(1, 31281243), (3, 10427081), (7, 4468749), (21, 1489583), (37, 845439), (111, 281813), (127, 246309), (259, 120777), (317, 98679), (381, 82103), (777, 40259), (889, 35187), (951, 32893), (2219, 14097), (2667, 11729), (4699, 6657)]