204522255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{649277}}^1$

素因数の和:649295

約数の個数: 24

約数和(自身を含む): 405149472

約数和(自身を除く): 200627217

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 649277, 1947831, 3246385, 4544939, 5843493, 9739155, 13634817, 22724695, 29217465, 40904451, 68174085, 204522255]

約数ペア:

[(1, 204522255), (3, 68174085), (5, 40904451), (7, 29217465), (9, 22724695), (15, 13634817), (21, 9739155), (35, 5843493), (45, 4544939), (63, 3246385), (105, 1947831), (315, 649277)]