199980411

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 284497920

約数和(自身を除く): 84517509

約数列:

[1, 3, 31, 41, 93, 123, 179, 293, 537, 879, 1271, 3813, 5549, 7339, 9083, 12013, 16647, 22017, 27249, 36039, 52447, 157341, 227509, 372403, 682527, 1117209, 1625857, 2150327, 4877571, 6450981, 66660137, 199980411]

約数ペア:

[(1, 199980411), (3, 66660137), (31, 6450981), (41, 4877571), (93, 2150327), (123, 1625857), (179, 1117209), (293, 682527), (537, 372403), (879, 227509), (1271, 157341), (3813, 52447), (5549, 36039), (7339, 27249), (9083, 22017), (12013, 16647)]