15550227

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 29502720

約数和(自身を除く): 13952493

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1181, 1197, 1463, 1881, 3543, 4389, 8267, 10629, 12991, 13167, 22439, 24801, 38973, 67317, 74403, 90937, 116919, 157073, 201951, 246829, 272811, 471219, 740487, 818433, 1413657, 1727803, 2221461, 5183409, 15550227]

約数ペア:

[(1, 15550227), (3, 5183409), (7, 2221461), (9, 1727803), (11, 1413657), (19, 818433), (21, 740487), (33, 471219), (57, 272811), (63, 246829), (77, 201951), (99, 157073), (133, 116919), (171, 90937), (209, 74403), (231, 67317), (399, 38973), (627, 24801), (693, 22439), (1181, 13167), (1197, 12991), (1463, 10629), (1881, 8267), (3543, 4389)]