203421393

素因数分解:

$3^2\times 7^2\times {\mathrm{461273}}^1$

素因数の和:461293

約数の個数: 18

約数和(自身を含む): 341804034

約数和(自身を除く): 138382641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 461273, 1383819, 3228911, 4151457, 9686733, 22602377, 29060199, 67807131, 203421393]

約数ペア:

[(1, 203421393), (3, 67807131), (7, 29060199), (9, 22602377), (21, 9686733), (49, 4151457), (63, 3228911), (147, 1383819), (441, 461273)]