42947121

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 69419008

約数和(自身を除く): 26471887

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 1783, 3441, 5349, 8029, 12481, 24087, 37443, 55273, 65971, 165819, 197913, 386911, 461797, 1160733, 1385391, 2045101, 6135303, 14315707, 42947121]

約数ペア:

[(1, 42947121), (3, 14315707), (7, 6135303), (21, 2045101), (31, 1385391), (37, 1160733), (93, 461797), (111, 386911), (217, 197913), (259, 165819), (651, 65971), (777, 55273), (1147, 37443), (1783, 24087), (3441, 12481), (5349, 8029)]