320470353

素因数分解:

$3^2\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{4139}}^1$

素因数の和:5381

約数の個数: 24

約数和(自身を含む): 529588800

約数和(自身を除く): 209118447

約数列:

[1, 3, 7, 9, 21, 63, 1229, 3687, 4139, 8603, 11061, 12417, 25809, 28973, 37251, 77427, 86919, 260757, 5086831, 15260493, 35607817, 45781479, 106823451, 320470353]

約数ペア:

[(1, 320470353), (3, 106823451), (7, 45781479), (9, 35607817), (21, 15260493), (63, 5086831), (1229, 260757), (3687, 86919), (4139, 77427), (8603, 37251), (11061, 28973), (12417, 25809)]