1917401619

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{2371}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 2960559616

約数和(自身を除く): 1043157997

約数列:

[1, 3, 7, 21, 97, 291, 397, 679, 1191, 2037, 2371, 2779, 7113, 8337, 16597, 38509, 49791, 115527, 229987, 269563, 689961, 808689, 941287, 1609909, 2823861, 4829727, 6589009, 19767027, 91304839, 273914517, 639133873, 1917401619]

約数ペア:

[(1, 1917401619), (3, 639133873), (7, 273914517), (21, 91304839), (97, 19767027), (291, 6589009), (397, 4829727), (679, 2823861), (1191, 1609909), (2037, 941287), (2371, 808689), (2779, 689961), (7113, 269563), (8337, 229987), (16597, 115527), (38509, 49791)]