28107765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89231}}^1$

素因数の和:89249

約数の個数: 24

約数和(自身を含む): 55680768

約数和(自身を除く): 27573003

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89231, 267693, 446155, 624617, 803079, 1338465, 1873851, 3123085, 4015395, 5621553, 9369255, 28107765]

約数ペア:

[(1, 28107765), (3, 9369255), (5, 5621553), (7, 4015395), (9, 3123085), (15, 1873851), (21, 1338465), (35, 803079), (45, 624617), (63, 446155), (105, 267693), (315, 89231)]