9989199

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 16982784

約数和(自身を除く): 6993585

約数列:

[1, 3, 9, 11, 23, 33, 41, 69, 99, 107, 123, 207, 253, 321, 369, 451, 759, 943, 963, 1177, 1353, 2277, 2461, 2829, 3531, 4059, 4387, 7383, 8487, 10373, 10593, 13161, 22149, 27071, 31119, 39483, 48257, 81213, 93357, 100901, 144771, 243639, 302703, 434313, 908109, 1109911, 3329733, 9989199]

約数ペア:

[(1, 9989199), (3, 3329733), (9, 1109911), (11, 908109), (23, 434313), (33, 302703), (41, 243639), (69, 144771), (99, 100901), (107, 93357), (123, 81213), (207, 48257), (253, 39483), (321, 31119), (369, 27071), (451, 22149), (759, 13161), (943, 10593), (963, 10373), (1177, 8487), (1353, 7383), (2277, 4387), (2461, 4059), (2829, 3531)]