201705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 393984

約数和(自身を除く): 192279

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 113, 119, 255, 339, 357, 565, 595, 791, 1695, 1785, 1921, 2373, 3955, 5763, 9605, 11865, 13447, 28815, 40341, 67235, 201705]

約数ペア:

[(1, 201705), (3, 67235), (5, 40341), (7, 28815), (15, 13447), (17, 11865), (21, 9605), (35, 5763), (51, 3955), (85, 2373), (105, 1921), (113, 1785), (119, 1695), (255, 791), (339, 595), (357, 565)]