28580265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90731}}^1$

素因数の和:90749

約数の個数: 24

約数和(自身を含む): 56616768

約数和(自身を除く): 28036503

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90731, 272193, 453655, 635117, 816579, 1360965, 1905351, 3175585, 4082895, 5716053, 9526755, 28580265]

約数ペア:

[(1, 28580265), (3, 9526755), (5, 5716053), (7, 4082895), (9, 3175585), (15, 1905351), (21, 1360965), (35, 816579), (45, 635117), (63, 453655), (105, 272193), (315, 90731)]