2888109

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 5198400

約数和(自身を除く): 2310291

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 59, 63, 111, 147, 177, 189, 259, 333, 413, 441, 531, 777, 999, 1239, 1323, 1593, 1813, 2183, 2331, 2891, 3717, 5439, 6549, 6993, 8673, 11151, 15281, 16317, 19647, 26019, 45843, 48951, 58941, 78057, 106967, 137529, 320901, 412587, 962703, 2888109]

約数ペア:

[(1, 2888109), (3, 962703), (7, 412587), (9, 320901), (21, 137529), (27, 106967), (37, 78057), (49, 58941), (59, 48951), (63, 45843), (111, 26019), (147, 19647), (177, 16317), (189, 15281), (259, 11151), (333, 8673), (413, 6993), (441, 6549), (531, 5439), (777, 3717), (999, 2891), (1239, 2331), (1323, 2183), (1593, 1813)]