31180023

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4196

約数の個数: 36

約数和(自身を含む): 55486080

約数和(自身を除く): 24306057

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 4159, 7497, 12477, 29113, 37431, 70703, 87339, 203791, 212109, 262017, 494921, 611373, 636327, 1484763, 1834119, 3464447, 4454289, 10393341, 31180023]

約数ペア:

[(1, 31180023), (3, 10393341), (7, 4454289), (9, 3464447), (17, 1834119), (21, 1484763), (49, 636327), (51, 611373), (63, 494921), (119, 262017), (147, 212109), (153, 203791), (357, 87339), (441, 70703), (833, 37431), (1071, 29113), (2499, 12477), (4159, 7497)]