42554757

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 69120000

約数和(自身を除く): 26565243

約数列:

[1, 3, 7, 17, 21, 51, 119, 199, 357, 597, 599, 1393, 1797, 3383, 4179, 4193, 10149, 10183, 12579, 23681, 30549, 71043, 71281, 119201, 213843, 357603, 834407, 2026417, 2503221, 6079251, 14184919, 42554757]

約数ペア:

[(1, 42554757), (3, 14184919), (7, 6079251), (17, 2503221), (21, 2026417), (51, 834407), (119, 357603), (199, 213843), (357, 119201), (597, 71281), (599, 71043), (1393, 30549), (1797, 23681), (3383, 12579), (4179, 10183), (4193, 10149)]