641330487

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{82763}}^1$

素因数の和:82820

約数の個数: 32

約数和(自身を含む): 1112348160

約数和(自身を除く): 471017673

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749, 82763, 248289, 579341, 744867, 1738023, 2234601, 3393283, 5214069, 10179849, 15642207, 23752981, 30539547, 71258943, 91618641, 213776829, 641330487]

約数ペア:

[(1, 641330487), (3, 213776829), (7, 91618641), (9, 71258943), (21, 30539547), (27, 23752981), (41, 15642207), (63, 10179849), (123, 5214069), (189, 3393283), (287, 2234601), (369, 1738023), (861, 744867), (1107, 579341), (2583, 248289), (7749, 82763)]