201585559

素因数分解:

$7^4\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:884

約数の個数: 20

約数和(自身を含む): 237569616

約数和(自身を除く): 35984057

約数列:

[1, 7, 49, 113, 343, 743, 791, 2401, 5201, 5537, 36407, 38759, 83959, 254849, 271313, 587713, 1783943, 4113991, 28797937, 201585559]

約数ペア:

[(1, 201585559), (7, 28797937), (49, 4113991), (113, 1783943), (343, 587713), (743, 271313), (791, 254849), (2401, 83959), (5201, 38759), (5537, 36407)]