280832013

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{405241}}^1$

素因数の和:405265

約数の個数: 24

約数和(自身を含む): 505742016

約数和(自身を除く): 224910003

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 405241, 1215723, 2836687, 3647169, 4457651, 8510061, 13372953, 25530183, 31203557, 40118859, 93610671, 280832013]

約数ペア:

[(1, 280832013), (3, 93610671), (7, 40118859), (9, 31203557), (11, 25530183), (21, 13372953), (33, 8510061), (63, 4457651), (77, 3647169), (99, 2836687), (231, 1215723), (693, 405241)]