68700723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 121347072

約数和(自身を除く): 52646349

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 113, 119, 131, 221, 273, 339, 357, 393, 663, 791, 917, 1469, 1547, 1703, 1921, 2227, 2373, 2751, 4407, 4641, 5109, 5763, 6681, 10283, 11921, 13447, 14803, 15589, 24973, 28951, 30849, 35763, 40341, 44409, 46767, 74919, 86853, 103621, 174811, 192439, 202657, 251651, 310863, 524433, 577317, 607971, 754953, 1347073, 1761557, 3271463, 4041219, 5284671, 9814389, 22900241, 68700723]

約数ペア:

[(1, 68700723), (3, 22900241), (7, 9814389), (13, 5284671), (17, 4041219), (21, 3271463), (39, 1761557), (51, 1347073), (91, 754953), (113, 607971), (119, 577317), (131, 524433), (221, 310863), (273, 251651), (339, 202657), (357, 192439), (393, 174811), (663, 103621), (791, 86853), (917, 74919), (1469, 46767), (1547, 44409), (1703, 40341), (1921, 35763), (2227, 30849), (2373, 28951), (2751, 24973), (4407, 15589), (4641, 14803), (5109, 13447), (5763, 11921), (6681, 10283)]