68621679

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 117841152

約数和(自身を除く): 49219473

約数列:

[1, 3, 7, 9, 21, 43, 63, 73, 129, 219, 301, 347, 387, 511, 657, 903, 1041, 1533, 2429, 2709, 3123, 3139, 4599, 7287, 9417, 14921, 21861, 21973, 25331, 28251, 44763, 65919, 75993, 104447, 134289, 177317, 197757, 227979, 313341, 531951, 940023, 1089233, 1595853, 3267699, 7624631, 9803097, 22873893, 68621679]

約数ペア:

[(1, 68621679), (3, 22873893), (7, 9803097), (9, 7624631), (21, 3267699), (43, 1595853), (63, 1089233), (73, 940023), (129, 531951), (219, 313341), (301, 227979), (347, 197757), (387, 177317), (511, 134289), (657, 104447), (903, 75993), (1041, 65919), (1533, 44763), (2429, 28251), (2709, 25331), (3123, 21973), (3139, 21861), (4599, 14921), (7287, 9417)]