31428837

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 23003163

約数列:

[1, 3, 9, 11, 27, 29, 33, 41, 87, 89, 99, 123, 261, 267, 297, 319, 369, 451, 783, 801, 957, 979, 1107, 1189, 1353, 2403, 2581, 2871, 2937, 3567, 3649, 4059, 7743, 8613, 8811, 10701, 10947, 12177, 13079, 23229, 26433, 28391, 32103, 32841, 39237, 40139, 69687, 85173, 98523, 105821, 117711, 120417, 255519, 317463, 353133, 361251, 766557, 952389, 1083753, 1164031, 2857167, 3492093, 10476279, 31428837]

約数ペア:

[(1, 31428837), (3, 10476279), (9, 3492093), (11, 2857167), (27, 1164031), (29, 1083753), (33, 952389), (41, 766557), (87, 361251), (89, 353133), (99, 317463), (123, 255519), (261, 120417), (267, 117711), (297, 105821), (319, 98523), (369, 85173), (451, 69687), (783, 40139), (801, 39237), (957, 32841), (979, 32103), (1107, 28391), (1189, 26433), (1353, 23229), (2403, 13079), (2581, 12177), (2871, 10947), (2937, 10701), (3567, 8811), (3649, 8613), (4059, 7743)]