68640285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4703}}^1$

素因数の和:4857

約数の個数: 32

約数和(自身を含む): 126443520

約数和(自身を除く): 57803235

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 2085, 2919, 4703, 4865, 14109, 14595, 23515, 32921, 70545, 98763, 164605, 493815, 653717, 1961151, 3268585, 4576019, 9805755, 13728057, 22880095, 68640285]

約数ペア:

[(1, 68640285), (3, 22880095), (5, 13728057), (7, 9805755), (15, 4576019), (21, 3268585), (35, 1961151), (105, 653717), (139, 493815), (417, 164605), (695, 98763), (973, 70545), (2085, 32921), (2919, 23515), (4703, 14595), (4865, 14109)]