2581677

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 4365504

約数和(自身を除く): 1783827

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 953, 2709, 2859, 6671, 8577, 20013, 40979, 60039, 122937, 286853, 368811, 860559, 2581677]

約数ペア:

[(1, 2581677), (3, 860559), (7, 368811), (9, 286853), (21, 122937), (43, 60039), (63, 40979), (129, 20013), (301, 8577), (387, 6671), (903, 2859), (953, 2709)]