51991353

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6469}}^1$

素因数の和:6541

約数の個数: 24

約数和(自身を含む): 80745600

約数和(自身を除く): 28754247

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 6469, 8037, 19407, 58221, 122911, 304043, 368733, 912129, 1106199, 2736387, 5776817, 17330451, 51991353]

約数ペア:

[(1, 51991353), (3, 17330451), (9, 5776817), (19, 2736387), (47, 1106199), (57, 912129), (141, 368733), (171, 304043), (423, 122911), (893, 58221), (2679, 19407), (6469, 8037)]