8691417

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 15500160

約数和(自身を除く): 6808743

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 137, 159, 171, 371, 399, 411, 477, 959, 1007, 1113, 1197, 1233, 2603, 2877, 3021, 3339, 7049, 7261, 7809, 8631, 9063, 18221, 21147, 21783, 23427, 50827, 54663, 63441, 65349, 137959, 152481, 163989, 413877, 457443, 965713, 1241631, 2897139, 8691417]

約数ペア:

[(1, 8691417), (3, 2897139), (7, 1241631), (9, 965713), (19, 457443), (21, 413877), (53, 163989), (57, 152481), (63, 137959), (133, 65349), (137, 63441), (159, 54663), (171, 50827), (371, 23427), (399, 21783), (411, 21147), (477, 18221), (959, 9063), (1007, 8631), (1113, 7809), (1197, 7261), (1233, 7049), (2603, 3339), (2877, 3021)]