31001373

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 40

約数和(自身を含む): 50820000

約数和(自身を除く): 19818627

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 351, 499, 531, 767, 1053, 1497, 1593, 2301, 4491, 4779, 6487, 6903, 13473, 19461, 20709, 29441, 40419, 58383, 62127, 88323, 175149, 264969, 382733, 525447, 794907, 1148199, 2384721, 3444597, 10333791, 31001373]

約数ペア:

[(1, 31001373), (3, 10333791), (9, 3444597), (13, 2384721), (27, 1148199), (39, 794907), (59, 525447), (81, 382733), (117, 264969), (177, 175149), (351, 88323), (499, 62127), (531, 58383), (767, 40419), (1053, 29441), (1497, 20709), (1593, 19461), (2301, 13473), (4491, 6903), (4779, 6487)]