206823561

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{12451}}^1$

素因数の和:12581

約数の個数: 24

約数和(自身を含む): 323652384

約数和(自身を除く): 116828823

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 5537, 12451, 16611, 37353, 87157, 261471, 610099, 1406963, 1830297, 4220889, 9848741, 29546223, 68941187, 206823561]

約数ペア:

[(1, 206823561), (3, 68941187), (7, 29546223), (21, 9848741), (49, 4220889), (113, 1830297), (147, 1406963), (339, 610099), (791, 261471), (2373, 87157), (5537, 37353), (12451, 16611)]