55551153

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 90780480

約数和(自身を除く): 35229327

約数列:

[1, 3, 7, 21, 29, 49, 83, 87, 147, 157, 203, 249, 471, 581, 609, 1099, 1421, 1743, 2407, 3297, 4067, 4263, 4553, 7221, 7693, 12201, 13031, 13659, 16849, 23079, 31871, 39093, 50547, 91217, 95613, 117943, 223097, 273651, 353829, 377899, 638519, 669291, 1133697, 1915557, 2645293, 7935879, 18517051, 55551153]

約数ペア:

[(1, 55551153), (3, 18517051), (7, 7935879), (21, 2645293), (29, 1915557), (49, 1133697), (83, 669291), (87, 638519), (147, 377899), (157, 353829), (203, 273651), (249, 223097), (471, 117943), (581, 95613), (609, 91217), (1099, 50547), (1421, 39093), (1743, 31871), (2407, 23079), (3297, 16849), (4067, 13659), (4263, 13031), (4553, 12201), (7221, 7693)]