8447913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 12979200

約数和(自身を除く): 4531287

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 389, 1143, 1167, 2413, 3501, 7239, 7391, 21717, 22173, 49403, 66519, 148209, 444627, 938657, 2815971, 8447913]

約数ペア:

[(1, 8447913), (3, 2815971), (9, 938657), (19, 444627), (57, 148209), (127, 66519), (171, 49403), (381, 22173), (389, 21717), (1143, 7391), (1167, 7239), (2413, 3501)]