204900255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{650477}}^1$

素因数の和:650495

約数の個数: 24

約数和(自身を含む): 405898272

約数和(自身を除く): 200998017

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 650477, 1951431, 3252385, 4553339, 5854293, 9757155, 13660017, 22766695, 29271465, 40980051, 68300085, 204900255]

約数ペア:

[(1, 204900255), (3, 68300085), (5, 40980051), (7, 29271465), (9, 22766695), (15, 13660017), (21, 9757155), (35, 5854293), (45, 4553339), (63, 3252385), (105, 1951431), (315, 650477)]