2813877

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 4543968

約数和(自身を除く): 1730091

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 661, 1419, 1983, 4257, 5949, 7271, 21813, 28423, 65439, 85269, 255807, 312653, 937959, 2813877]

約数ペア:

[(1, 2813877), (3, 937959), (9, 312653), (11, 255807), (33, 85269), (43, 65439), (99, 28423), (129, 21813), (387, 7271), (473, 5949), (661, 4257), (1419, 1983)]