20135115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 28248885

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 135, 143, 149, 165, 189, 195, 231, 273, 297, 315, 351, 385, 429, 447, 455, 495, 585, 693, 715, 745, 819, 945, 1001, 1043, 1155, 1287, 1341, 1365, 1485, 1639, 1755, 1937, 2079, 2145, 2235, 2457, 3003, 3129, 3465, 3861, 4023, 4095, 4917, 5005, 5215, 5811, 6435, 6705, 8195, 9009, 9387, 9685, 10395, 11473, 12285, 13559, 14751, 15015, 15645, 17433, 19305, 20115, 21307, 24585, 27027, 28161, 29055, 34419, 40677, 44253, 45045, 46935, 52299, 57365, 63921, 67795, 73755, 87165, 103257, 106535, 122031, 135135, 140805, 149149, 172095, 191763, 203385, 221265, 261495, 309771, 319605, 366093, 447447, 516285, 575289, 610155, 745745, 958815, 1342341, 1548855, 1830465, 2237235, 2876445, 4027023, 6711705, 20135115]

約数ペア:

[(1, 20135115), (3, 6711705), (5, 4027023), (7, 2876445), (9, 2237235), (11, 1830465), (13, 1548855), (15, 1342341), (21, 958815), (27, 745745), (33, 610155), (35, 575289), (39, 516285), (45, 447447), (55, 366093), (63, 319605), (65, 309771), (77, 261495), (91, 221265), (99, 203385), (105, 191763), (117, 172095), (135, 149149), (143, 140805), (149, 135135), (165, 122031), (189, 106535), (195, 103257), (231, 87165), (273, 73755), (297, 67795), (315, 63921), (351, 57365), (385, 52299), (429, 46935), (447, 45045), (455, 44253), (495, 40677), (585, 34419), (693, 29055), (715, 28161), (745, 27027), (819, 24585), (945, 21307), (1001, 20115), (1043, 19305), (1155, 17433), (1287, 15645), (1341, 15015), (1365, 14751), (1485, 13559), (1639, 12285), (1755, 11473), (1937, 10395), (2079, 9685), (2145, 9387), (2235, 9009), (2457, 8195), (3003, 6705), (3129, 6435), (3465, 5811), (3861, 5215), (4023, 5005), (4095, 4917)]