213479217

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4241}}^1$

素因数の和:4318

約数の個数: 48

約数和(自身を含む): 381169152

約数和(自身を除く): 167689935

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 329, 357, 423, 799, 987, 1071, 2397, 2961, 4241, 5593, 7191, 12723, 16779, 29687, 38169, 50337, 72097, 89061, 199327, 216291, 267183, 504679, 597981, 648873, 1395289, 1514037, 1793943, 3388559, 4185867, 4542111, 10165677, 12557601, 23719913, 30497031, 71159739, 213479217]

約数ペア:

[(1, 213479217), (3, 71159739), (7, 30497031), (9, 23719913), (17, 12557601), (21, 10165677), (47, 4542111), (51, 4185867), (63, 3388559), (119, 1793943), (141, 1514037), (153, 1395289), (329, 648873), (357, 597981), (423, 504679), (799, 267183), (987, 216291), (1071, 199327), (2397, 89061), (2961, 72097), (4241, 50337), (5593, 38169), (7191, 29687), (12723, 16779)]