311940081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 497952000

約数和(自身を除く): 186011919

約数列:

[1, 3, 9, 19, 37, 47, 57, 111, 141, 171, 333, 423, 703, 893, 1049, 1739, 2109, 2679, 3147, 5217, 6327, 8037, 9441, 15651, 19931, 33041, 38813, 49303, 59793, 99123, 116439, 147909, 179379, 297369, 349317, 443727, 737447, 936757, 1824211, 2212341, 2810271, 5472633, 6637023, 8430813, 16417899, 34660009, 103980027, 311940081]

約数ペア:

[(1, 311940081), (3, 103980027), (9, 34660009), (19, 16417899), (37, 8430813), (47, 6637023), (57, 5472633), (111, 2810271), (141, 2212341), (171, 1824211), (333, 936757), (423, 737447), (703, 443727), (893, 349317), (1049, 297369), (1739, 179379), (2109, 147909), (2679, 116439), (3147, 99123), (5217, 59793), (6327, 49303), (8037, 38813), (9441, 33041), (15651, 19931)]