207814545

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 424673280

約数和(自身を除く): 216858735

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 31, 45, 51, 69, 85, 93, 115, 127, 135, 153, 155, 207, 255, 279, 345, 381, 391, 459, 465, 527, 621, 635, 713, 765, 837, 1035, 1143, 1173, 1395, 1581, 1905, 1955, 2139, 2159, 2295, 2635, 2921, 3105, 3429, 3519, 3565, 3937, 4185, 4743, 5715, 5865, 6417, 6477, 7905, 8763, 10557, 10695, 10795, 11811, 12121, 14229, 14605, 17145, 17595, 19251, 19431, 19685, 23715, 26289, 32085, 32385, 35433, 36363, 43815, 49657, 52785, 58293, 59055, 60605, 66929, 71145, 78867, 90551, 96255, 97155, 106299, 109089, 131445, 148971, 177165, 181815, 200787, 248285, 271653, 291465, 327267, 334645, 394335, 446913, 452755, 531495, 545445, 602361, 744855, 814959, 1003935, 1340739, 1358265, 1539367, 1636335, 1807083, 2234565, 2444877, 3011805, 4074795, 4618101, 6703695, 7696835, 9035415, 12224385, 13854303, 23090505, 41562909, 69271515, 207814545]

約数ペア:

[(1, 207814545), (3, 69271515), (5, 41562909), (9, 23090505), (15, 13854303), (17, 12224385), (23, 9035415), (27, 7696835), (31, 6703695), (45, 4618101), (51, 4074795), (69, 3011805), (85, 2444877), (93, 2234565), (115, 1807083), (127, 1636335), (135, 1539367), (153, 1358265), (155, 1340739), (207, 1003935), (255, 814959), (279, 744855), (345, 602361), (381, 545445), (391, 531495), (459, 452755), (465, 446913), (527, 394335), (621, 334645), (635, 327267), (713, 291465), (765, 271653), (837, 248285), (1035, 200787), (1143, 181815), (1173, 177165), (1395, 148971), (1581, 131445), (1905, 109089), (1955, 106299), (2139, 97155), (2159, 96255), (2295, 90551), (2635, 78867), (2921, 71145), (3105, 66929), (3429, 60605), (3519, 59055), (3565, 58293), (3937, 52785), (4185, 49657), (4743, 43815), (5715, 36363), (5865, 35433), (6417, 32385), (6477, 32085), (7905, 26289), (8763, 23715), (10557, 19685), (10695, 19431), (10795, 19251), (11811, 17595), (12121, 17145), (14229, 14605)]