203428449

素因数分解:

$3^3\times 7^2\times {\mathrm{153763}}^1$

素因数の和:153786

約数の個数: 24

約数和(自身を含む): 350581920

約数和(自身を除く): 147153471

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 153763, 461289, 1076341, 1383867, 3229023, 4151601, 7534387, 9687069, 22603161, 29061207, 67809483, 203428449]

約数ペア:

[(1, 203428449), (3, 67809483), (7, 29061207), (9, 22603161), (21, 9687069), (27, 7534387), (49, 4151601), (63, 3229023), (147, 1383867), (189, 1076341), (441, 461289), (1323, 153763)]