206550855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{655717}}^1$

素因数の和:655735

約数の個数: 24

約数和(自身を含む): 409168032

約数和(自身を除く): 202617177

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 655717, 1967151, 3278585, 4590019, 5901453, 9835755, 13770057, 22950095, 29507265, 41310171, 68850285, 206550855]

約数ペア:

[(1, 206550855), (3, 68850285), (5, 41310171), (7, 29507265), (9, 22950095), (15, 13770057), (21, 9835755), (35, 5901453), (45, 4590019), (63, 3278585), (105, 1967151), (315, 655717)]