220199343

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3617}}^1$

素因数の和:3863

約数の個数: 32

約数和(自身を含む): 363073536

約数和(自身を除く): 142874193

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1561, 2899, 3617, 4683, 8697, 10851, 20293, 25319, 47021, 60879, 75957, 141063, 329147, 806591, 987441, 2419773, 5646137, 10485683, 16938411, 31457049, 73399781, 220199343]

約数ペア:

[(1, 220199343), (3, 73399781), (7, 31457049), (13, 16938411), (21, 10485683), (39, 5646137), (91, 2419773), (223, 987441), (273, 806591), (669, 329147), (1561, 141063), (2899, 75957), (3617, 60879), (4683, 47021), (8697, 25319), (10851, 20293)]