28688565

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40693}}^1$

素因数の和:40748

約数の個数: 16

約数和(自身を含む): 46879488

約数和(自身を除く): 18190923

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40693, 122079, 203465, 610395, 1912571, 5737713, 9562855, 28688565]

約数ペア:

[(1, 28688565), (3, 9562855), (5, 5737713), (15, 1912571), (47, 610395), (141, 203465), (235, 122079), (705, 40693)]