1820009919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{392159}}^1$

素因数の和:392199

約数の個数: 32

約数和(自身を含む): 3162378240

約数和(自身を除く): 1342368321

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 392159, 1176477, 2745113, 5098067, 6666703, 8235339, 15294201, 20000109, 35686469, 46666921, 86667139, 107059407, 140000763, 260001417, 606669973, 1820009919]

約数ペア:

[(1, 1820009919), (3, 606669973), (7, 260001417), (13, 140000763), (17, 107059407), (21, 86667139), (39, 46666921), (51, 35686469), (91, 20000109), (119, 15294201), (221, 8235339), (273, 6666703), (357, 5098067), (663, 2745113), (1547, 1176477), (4641, 392159)]