28257585

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 47419392

約数和(自身を除く): 19161807

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 907, 1005, 2077, 2721, 4535, 6231, 10385, 13605, 28117, 31155, 60769, 84351, 140585, 182307, 303845, 421755, 911535, 1883839, 5651517, 9419195, 28257585]

約数ペア:

[(1, 28257585), (3, 9419195), (5, 5651517), (15, 1883839), (31, 911535), (67, 421755), (93, 303845), (155, 182307), (201, 140585), (335, 84351), (465, 60769), (907, 31155), (1005, 28117), (2077, 13605), (2721, 10385), (4535, 6231)]