628017921

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{7963}}^1$

素因数の和:8122

約数の個数: 32

約数和(自身を含む): 978616320

約数和(自身を除く): 350598399

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 381, 621, 1143, 2921, 3429, 7963, 8763, 23889, 26289, 71667, 78867, 183149, 215001, 549447, 1011301, 1648341, 3033903, 4945023, 9101709, 23259923, 27305127, 69779769, 209339307, 628017921]

約数ペア:

[(1, 628017921), (3, 209339307), (9, 69779769), (23, 27305127), (27, 23259923), (69, 9101709), (127, 4945023), (207, 3033903), (381, 1648341), (621, 1011301), (1143, 549447), (2921, 215001), (3429, 183149), (7963, 78867), (8763, 71667), (23889, 26289)]