28517895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90533}}^1$

素因数の和:90551

約数の個数: 24

約数和(自身を含む): 56493216

約数和(自身を除く): 27975321

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90533, 271599, 452665, 633731, 814797, 1357995, 1901193, 3168655, 4073985, 5703579, 9505965, 28517895]

約数ペア:

[(1, 28517895), (3, 9505965), (5, 5703579), (7, 4073985), (9, 3168655), (15, 1901193), (21, 1357995), (35, 814797), (45, 633731), (63, 452665), (105, 271599), (315, 90533)]