16580151

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 29450304

約数和(自身を除く): 12870153

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 113, 119, 137, 153, 339, 357, 411, 791, 959, 1017, 1071, 1233, 1921, 2329, 2373, 2877, 5763, 6987, 7119, 8631, 13447, 15481, 16303, 17289, 20961, 40341, 46443, 48909, 108367, 121023, 139329, 146727, 263177, 325101, 789531, 975303, 1842239, 2368593, 5526717, 16580151]

約数ペア:

[(1, 16580151), (3, 5526717), (7, 2368593), (9, 1842239), (17, 975303), (21, 789531), (51, 325101), (63, 263177), (113, 146727), (119, 139329), (137, 121023), (153, 108367), (339, 48909), (357, 46443), (411, 40341), (791, 20961), (959, 17289), (1017, 16303), (1071, 15481), (1233, 13447), (1921, 8631), (2329, 7119), (2373, 6987), (2877, 5763)]