812542509

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{164449}}^1$

素因数の和:164522

約数の個数: 20

約数和(自身を含む): 1233703900

約数和(自身を除く): 421161391

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 164449, 493347, 1480041, 4440123, 10031389, 13320369, 30094167, 90282501, 270847503, 812542509]

約数ペア:

[(1, 812542509), (3, 270847503), (9, 90282501), (27, 30094167), (61, 13320369), (81, 10031389), (183, 4440123), (549, 1480041), (1647, 493347), (4941, 164449)]