31111641

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 20598759

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 107, 121, 267, 297, 321, 363, 801, 963, 979, 1089, 1177, 2403, 2889, 2937, 3267, 3531, 8811, 9523, 10593, 10769, 12947, 26433, 28569, 31779, 32307, 38841, 85707, 96921, 104753, 116523, 257121, 290763, 314259, 349569, 942777, 1152283, 2828331, 3456849, 10370547, 31111641]

約数ペア:

[(1, 31111641), (3, 10370547), (9, 3456849), (11, 2828331), (27, 1152283), (33, 942777), (89, 349569), (99, 314259), (107, 290763), (121, 257121), (267, 116523), (297, 104753), (321, 96921), (363, 85707), (801, 38841), (963, 32307), (979, 31779), (1089, 28569), (1177, 26433), (2403, 12947), (2889, 10769), (2937, 10593), (3267, 9523), (3531, 8811)]