287242557

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 475735680

約数和(自身を除く): 188493123

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 137, 147, 357, 411, 833, 839, 959, 2329, 2499, 2517, 2877, 5873, 6713, 6987, 14263, 16303, 17619, 20139, 41111, 42789, 48909, 99841, 114121, 114943, 123333, 299523, 342363, 344829, 698887, 804601, 1954031, 2096661, 2413803, 5632207, 5862093, 13678217, 16896621, 41034651, 95747519, 287242557]

約数ペア:

[(1, 287242557), (3, 95747519), (7, 41034651), (17, 16896621), (21, 13678217), (49, 5862093), (51, 5632207), (119, 2413803), (137, 2096661), (147, 1954031), (357, 804601), (411, 698887), (833, 344829), (839, 342363), (959, 299523), (2329, 123333), (2499, 114943), (2517, 114121), (2877, 99841), (5873, 48909), (6713, 42789), (6987, 41111), (14263, 20139), (16303, 17619)]