1920849

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 3036960

約数和(自身を除く): 1116111

約数列:

[1, 3, 7, 21, 49, 73, 147, 179, 219, 511, 537, 1253, 1533, 3577, 3759, 8771, 10731, 13067, 26313, 39201, 91469, 274407, 640283, 1920849]

約数ペア:

[(1, 1920849), (3, 640283), (7, 274407), (21, 91469), (49, 39201), (73, 26313), (147, 13067), (179, 10731), (219, 8771), (511, 3759), (537, 3577), (1253, 1533)]