208097805

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5281}}^1$

素因数の和:5397

約数の個数: 32

約数和(自身を含む): 346837248

約数和(自身を除く): 138739443

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 1065, 2627, 5281, 7881, 13135, 15843, 26405, 39405, 79215, 195397, 374951, 586191, 976985, 1124853, 1874755, 2930955, 5624265, 13873187, 41619561, 69365935, 208097805]

約数ペア:

[(1, 208097805), (3, 69365935), (5, 41619561), (15, 13873187), (37, 5624265), (71, 2930955), (111, 1874755), (185, 1124853), (213, 976985), (355, 586191), (555, 374951), (1065, 195397), (2627, 79215), (5281, 39405), (7881, 26405), (13135, 15843)]