28218885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64871}}^1$

素因数の和:64908

約数の個数: 16

約数和(自身を含む): 46707840

約数和(自身を除く): 18488955

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 64871, 194613, 324355, 973065, 1881259, 5643777, 9406295, 28218885]

約数ペア:

[(1, 28218885), (3, 9406295), (5, 5643777), (15, 1881259), (29, 973065), (87, 324355), (145, 194613), (435, 64871)]