281083425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 552059904

約数和(自身を除く): 270976479

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 67, 75, 105, 131, 175, 183, 201, 305, 335, 393, 427, 469, 525, 655, 915, 917, 1005, 1281, 1407, 1525, 1675, 1965, 2135, 2345, 2751, 3275, 4087, 4575, 4585, 5025, 6405, 7035, 7991, 8777, 9825, 10675, 11725, 12261, 13755, 20435, 22925, 23973, 26331, 28609, 32025, 35175, 39955, 43885, 55937, 61305, 61439, 68775, 85827, 102175, 119865, 131655, 143045, 167811, 184317, 199775, 219425, 279685, 306525, 307195, 429135, 535397, 599325, 658275, 715225, 839055, 921585, 1398425, 1535975, 1606191, 2145675, 2676985, 3747779, 4195275, 4607925, 8030955, 11243337, 13384925, 18738895, 40154775, 56216685, 93694475, 281083425]

約数ペア:

[(1, 281083425), (3, 93694475), (5, 56216685), (7, 40154775), (15, 18738895), (21, 13384925), (25, 11243337), (35, 8030955), (61, 4607925), (67, 4195275), (75, 3747779), (105, 2676985), (131, 2145675), (175, 1606191), (183, 1535975), (201, 1398425), (305, 921585), (335, 839055), (393, 715225), (427, 658275), (469, 599325), (525, 535397), (655, 429135), (915, 307195), (917, 306525), (1005, 279685), (1281, 219425), (1407, 199775), (1525, 184317), (1675, 167811), (1965, 143045), (2135, 131655), (2345, 119865), (2751, 102175), (3275, 85827), (4087, 68775), (4575, 61439), (4585, 61305), (5025, 55937), (6405, 43885), (7035, 39955), (7991, 35175), (8777, 32025), (9825, 28609), (10675, 26331), (11725, 23973), (12261, 22925), (13755, 20435)]