249780249

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{4111}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 371626112

約数和(自身を除く): 121845863

約数列:

[1, 3, 9, 43, 129, 157, 387, 471, 1413, 4111, 6751, 12333, 20253, 36999, 60759, 176773, 530319, 645427, 1590957, 1936281, 5808843, 27753361, 83260083, 249780249]

約数ペア:

[(1, 249780249), (3, 83260083), (9, 27753361), (43, 5808843), (129, 1936281), (157, 1590957), (387, 645427), (471, 530319), (1413, 176773), (4111, 60759), (6751, 36999), (12333, 20253)]