54205557

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 84575232

約数和(自身を除く): 30369675

約数列:

[1, 3, 7, 21, 83, 137, 227, 249, 411, 581, 681, 959, 1589, 1743, 2877, 4767, 11371, 18841, 31099, 34113, 56523, 79597, 93297, 131887, 217693, 238791, 395661, 653079, 2581217, 7743651, 18068519, 54205557]

約数ペア:

[(1, 54205557), (3, 18068519), (7, 7743651), (21, 2581217), (83, 653079), (137, 395661), (227, 238791), (249, 217693), (411, 131887), (581, 93297), (681, 79597), (959, 56523), (1589, 34113), (1743, 31099), (2877, 18841), (4767, 11371)]