248115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 235725

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 139, 255, 357, 417, 595, 695, 973, 1785, 2085, 2363, 2919, 4865, 7089, 11815, 14595, 16541, 35445, 49623, 82705, 248115]

約数ペア:

[(1, 248115), (3, 82705), (5, 49623), (7, 35445), (15, 16541), (17, 14595), (21, 11815), (35, 7089), (51, 4865), (85, 2919), (105, 2363), (119, 2085), (139, 1785), (255, 973), (357, 695), (417, 595)]