15211515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 29398320

約数和(自身を除く): 14186805

約数列:

[1, 3, 5, 11, 15, 17, 29, 33, 51, 55, 85, 87, 121, 145, 165, 187, 255, 289, 319, 363, 435, 493, 561, 605, 867, 935, 957, 1445, 1479, 1595, 1815, 2057, 2465, 2805, 3179, 3509, 4335, 4785, 5423, 6171, 7395, 8381, 9537, 10285, 10527, 15895, 16269, 17545, 25143, 27115, 30855, 34969, 41905, 47685, 52635, 59653, 81345, 92191, 104907, 125715, 174845, 178959, 276573, 298265, 460955, 524535, 894795, 1014101, 1382865, 3042303, 5070505, 15211515]

約数ペア:

[(1, 15211515), (3, 5070505), (5, 3042303), (11, 1382865), (15, 1014101), (17, 894795), (29, 524535), (33, 460955), (51, 298265), (55, 276573), (85, 178959), (87, 174845), (121, 125715), (145, 104907), (165, 92191), (187, 81345), (255, 59653), (289, 52635), (319, 47685), (363, 41905), (435, 34969), (493, 30855), (561, 27115), (605, 25143), (867, 17545), (935, 16269), (957, 15895), (1445, 10527), (1479, 10285), (1595, 9537), (1815, 8381), (2057, 7395), (2465, 6171), (2805, 5423), (3179, 4785), (3509, 4335)]