249533973

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 214952427

約数列:

[1, 3, 9, 13, 17, 19, 27, 31, 39, 51, 57, 71, 93, 117, 153, 171, 213, 221, 247, 279, 323, 351, 403, 459, 513, 527, 589, 639, 663, 741, 837, 923, 969, 1207, 1209, 1349, 1581, 1767, 1917, 1989, 2201, 2223, 2769, 2907, 3621, 3627, 4047, 4199, 4743, 5301, 5967, 6603, 6669, 6851, 7657, 8307, 8721, 10013, 10863, 10881, 12141, 12597, 14229, 15691, 15903, 17537, 19809, 20553, 22933, 22971, 24921, 28613, 30039, 32589, 36423, 37417, 37791, 41819, 47073, 52611, 59427, 61659, 68799, 68913, 85839, 90117, 112251, 113373, 125457, 130169, 141219, 157833, 184977, 206397, 206739, 257517, 270351, 298129, 336753, 376371, 390507, 423657, 473499, 486421, 543647, 619191, 710923, 772551, 894387, 1010259, 1129113, 1171521, 1459263, 1630941, 2132769, 2683161, 3514563, 4377789, 4892823, 6398307, 8049483, 9241999, 13133367, 14678469, 19194921, 27725997, 83177991, 249533973]

約数ペア:

[(1, 249533973), (3, 83177991), (9, 27725997), (13, 19194921), (17, 14678469), (19, 13133367), (27, 9241999), (31, 8049483), (39, 6398307), (51, 4892823), (57, 4377789), (71, 3514563), (93, 2683161), (117, 2132769), (153, 1630941), (171, 1459263), (213, 1171521), (221, 1129113), (247, 1010259), (279, 894387), (323, 772551), (351, 710923), (403, 619191), (459, 543647), (513, 486421), (527, 473499), (589, 423657), (639, 390507), (663, 376371), (741, 336753), (837, 298129), (923, 270351), (969, 257517), (1207, 206739), (1209, 206397), (1349, 184977), (1581, 157833), (1767, 141219), (1917, 130169), (1989, 125457), (2201, 113373), (2223, 112251), (2769, 90117), (2907, 85839), (3621, 68913), (3627, 68799), (4047, 61659), (4199, 59427), (4743, 52611), (5301, 47073), (5967, 41819), (6603, 37791), (6669, 37417), (6851, 36423), (7657, 32589), (8307, 30039), (8721, 28613), (10013, 24921), (10863, 22971), (10881, 22933), (12141, 20553), (12597, 19809), (14229, 17537), (15691, 15903)]