63791721

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 111945600

約数和(自身を除く): 48153879

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 389, 399, 411, 959, 1167, 1197, 1233, 2603, 2723, 2877, 3501, 7391, 7809, 8169, 8631, 18221, 22173, 23427, 24507, 51737, 53293, 54663, 66519, 155211, 159879, 163989, 373051, 465633, 479637, 1012567, 1119153, 3037701, 3357459, 7087969, 9113103, 21263907, 63791721]

約数ペア:

[(1, 63791721), (3, 21263907), (7, 9113103), (9, 7087969), (19, 3357459), (21, 3037701), (57, 1119153), (63, 1012567), (133, 479637), (137, 465633), (171, 373051), (389, 163989), (399, 159879), (411, 155211), (959, 66519), (1167, 54663), (1197, 53293), (1233, 51737), (2603, 24507), (2723, 23427), (2877, 22173), (3501, 18221), (7391, 8631), (7809, 8169)]