221420055

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{2473}}^1$

素因数の和:2655

約数の個数: 32

約数和(自身を含む): 364806144

約数和(自身を除く): 143386089

約数列:

[1, 3, 5, 15, 47, 127, 141, 235, 381, 635, 705, 1905, 2473, 5969, 7419, 12365, 17907, 29845, 37095, 89535, 116231, 314071, 348693, 581155, 942213, 1570355, 1743465, 4711065, 14761337, 44284011, 73806685, 221420055]

約数ペア:

[(1, 221420055), (3, 73806685), (5, 44284011), (15, 14761337), (47, 4711065), (127, 1743465), (141, 1570355), (235, 942213), (381, 581155), (635, 348693), (705, 314071), (1905, 116231), (2473, 89535), (5969, 37095), (7419, 29845), (12365, 17907)]