216394515

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6173}}^1$

素因数の和:6244

約数の個数: 48

約数和(自身を含む): 404520480

約数和(自身を除く): 188125965

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 615, 779, 855, 1845, 2337, 3895, 6173, 7011, 11685, 18519, 30865, 35055, 55557, 92595, 117287, 253093, 277785, 351861, 586435, 759279, 1055583, 1265465, 1759305, 2277837, 3796395, 4808767, 5277915, 11389185, 14426301, 24043835, 43278903, 72131505, 216394515]

約数ペア:

[(1, 216394515), (3, 72131505), (5, 43278903), (9, 24043835), (15, 14426301), (19, 11389185), (41, 5277915), (45, 4808767), (57, 3796395), (95, 2277837), (123, 1759305), (171, 1265465), (205, 1055583), (285, 759279), (369, 586435), (615, 351861), (779, 277785), (855, 253093), (1845, 117287), (2337, 92595), (3895, 55557), (6173, 35055), (7011, 30865), (11685, 18519)]