42780639

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 63669760

約数和(自身を除く): 20889121

約数列:

[1, 3, 11, 33, 67, 121, 201, 363, 737, 1759, 2211, 5277, 8107, 19349, 24321, 58047, 117853, 212839, 353559, 638517, 1296383, 3889149, 14260213, 42780639]

約数ペア:

[(1, 42780639), (3, 14260213), (11, 3889149), (33, 1296383), (67, 638517), (121, 353559), (201, 212839), (363, 117853), (737, 58047), (1759, 24321), (2211, 19349), (5277, 8107)]