421640163

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{290987}}^1$

素因数の和:291023

約数の個数: 24

約数和(自身を含む): 726306048

約数和(自身を除く): 304665885

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 290987, 872961, 2036909, 2618883, 6110727, 6692701, 18332181, 20078103, 46848907, 60234309, 140546721, 421640163]

約数ペア:

[(1, 421640163), (3, 140546721), (7, 60234309), (9, 46848907), (21, 20078103), (23, 18332181), (63, 6692701), (69, 6110727), (161, 2618883), (207, 2036909), (483, 872961), (1449, 290987)]