628542819

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{216217}}^1$

素因数の和:216259

約数の個数: 24

約数和(自身を含む): 1011900240

約数和(自身を除く): 383357421

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 216217, 648651, 1945953, 3675689, 4108123, 11027067, 12324369, 33081201, 36973107, 69838091, 209514273, 628542819]

約数ペア:

[(1, 628542819), (3, 209514273), (9, 69838091), (17, 36973107), (19, 33081201), (51, 12324369), (57, 11027067), (153, 4108123), (171, 3675689), (323, 1945953), (969, 648651), (2907, 216217)]