28758321

素因数分解:

$3^6\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:504

約数の個数: 28

約数和(自身を含む): 43650048

約数和(自身を除く): 14891727

約数列:

[1, 3, 9, 27, 81, 103, 243, 309, 383, 729, 927, 1149, 2781, 3447, 8343, 10341, 25029, 31023, 39449, 75087, 93069, 118347, 279207, 355041, 1065123, 3195369, 9586107, 28758321]

約数ペア:

[(1, 28758321), (3, 9586107), (9, 3195369), (27, 1065123), (81, 355041), (103, 279207), (243, 118347), (309, 93069), (383, 75087), (729, 39449), (927, 31023), (1149, 25029), (2781, 10341), (3447, 8343)]