31483881

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 25125399

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1287, 1439, 1683, 1989, 2431, 4317, 7293, 12951, 15829, 18707, 21879, 24463, 47487, 56121, 73389, 142461, 168363, 205777, 220167, 269093, 318019, 617331, 807279, 954057, 1851993, 2421837, 2862171, 3498209, 10494627, 31483881]

約数ペア:

[(1, 31483881), (3, 10494627), (9, 3498209), (11, 2862171), (13, 2421837), (17, 1851993), (33, 954057), (39, 807279), (51, 617331), (99, 318019), (117, 269093), (143, 220167), (153, 205777), (187, 168363), (221, 142461), (429, 73389), (561, 56121), (663, 47487), (1287, 24463), (1439, 21879), (1683, 18707), (1989, 15829), (2431, 12951), (4317, 7293)]