28221495

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64877}}^1$

素因数の和:64914

約数の個数: 16

約数和(自身を含む): 46712160

約数和(自身を除く): 18490665

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 64877, 194631, 324385, 973155, 1881433, 5644299, 9407165, 28221495]

約数ペア:

[(1, 28221495), (3, 9407165), (5, 5644299), (15, 1881433), (29, 973155), (87, 324385), (145, 194631), (435, 64877)]