409153353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{5153}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 659712000

約数和(自身を除く): 250558647

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 597, 1393, 3781, 4179, 5153, 11343, 15459, 26467, 36071, 79401, 97907, 108213, 293721, 685349, 1025447, 2056047, 3076341, 7178129, 19483493, 21534387, 58450479, 136384451, 409153353]

約数ペア:

[(1, 409153353), (3, 136384451), (7, 58450479), (19, 21534387), (21, 19483493), (57, 7178129), (133, 3076341), (199, 2056047), (399, 1025447), (597, 685349), (1393, 293721), (3781, 108213), (4179, 97907), (5153, 79401), (11343, 36071), (15459, 26467)]