289654869

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1621}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 451772416

約数和(自身を除く): 162117547

約数列:

[1, 3, 7, 21, 67, 127, 201, 381, 469, 889, 1407, 1621, 2667, 4863, 8509, 11347, 25527, 34041, 59563, 108607, 178689, 205867, 325821, 617601, 760249, 1441069, 2280747, 4323207, 13793089, 41379267, 96551623, 289654869]

約数ペア:

[(1, 289654869), (3, 96551623), (7, 41379267), (21, 13793089), (67, 4323207), (127, 2280747), (201, 1441069), (381, 760249), (469, 617601), (889, 325821), (1407, 205867), (1621, 178689), (2667, 108607), (4863, 59563), (8509, 34041), (11347, 25527)]