8163939

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 13862400

約数和(自身を除く): 5698461

約数列:

[1, 3, 7, 19, 21, 37, 49, 57, 79, 111, 133, 147, 237, 259, 399, 553, 703, 777, 931, 1501, 1659, 1813, 2109, 2793, 2923, 3871, 4503, 4921, 5439, 8769, 10507, 11613, 14763, 20461, 31521, 34447, 55537, 61383, 73549, 103341, 143227, 166611, 220647, 388759, 429681, 1166277, 2721313, 8163939]

約数ペア:

[(1, 8163939), (3, 2721313), (7, 1166277), (19, 429681), (21, 388759), (37, 220647), (49, 166611), (57, 143227), (79, 103341), (111, 73549), (133, 61383), (147, 55537), (237, 34447), (259, 31521), (399, 20461), (553, 14763), (703, 11613), (777, 10507), (931, 8769), (1501, 5439), (1659, 4921), (1813, 4503), (2109, 3871), (2793, 2923)]