219568161

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 322560000

約数和(自身を除く): 102991839

約数列:

[1, 3, 19, 41, 47, 57, 123, 141, 779, 893, 1927, 1999, 2337, 2679, 5781, 5997, 36613, 37981, 81959, 93953, 109839, 113943, 245877, 281859, 1557221, 1785107, 3852073, 4671663, 5355321, 11556219, 73189387, 219568161]

約数ペア:

[(1, 219568161), (3, 73189387), (19, 11556219), (41, 5355321), (47, 4671663), (57, 3852073), (123, 1785107), (141, 1557221), (779, 281859), (893, 245877), (1927, 113943), (1999, 109839), (2337, 93953), (2679, 81959), (5781, 37981), (5997, 36613)]